Question

What is the solution to the proportion 42 over 56 equals 12 over x ? x =_______

Answer 1

42 12
—- = —-
56 x


Simplified:

3 12
— = —-
4 x

Multiply both sides by 4:

3 = 48
—-
x

Multiply both sides by x:

3x = 48

Divide both sides by 3:

x = 16