Question

A lighthouse casts a shadow that is 108 meters long. At the same time, a person who is 1.6 meters tall casts a shadow that is 6.4 meters long. Enter in a proportion that can be solved to find the height of the lighthouse. Then solve the proportion. Use the variable x to represent the height of the lighthouse in your proportion.

A proportion that can be solved to find the height of the lighthouse, x, is ______=______

The height of the lighthouse is ______ meters

Answer 1

27 meters

Explanation:

1.6 is to 6.4 what x is to 108

1.6/6.4 = x/108 (cross multiplication)

(1.6 * 108) / 6.4 = 27 m