Question

Solve the proportion ? : 32 = 9 : 4 for the unknown.
a72
b48
c36
d18

Answer 1

x : 32 = 9 : 4

4x = 288

x = 72

Explanation:

Answer 2

72 is the answer

Explanation:

x : 32 = 9 :4

`(x)/(32)` =
`(9)/(4)`

cross multiplying

∴ 4 × x = 32 × 9

4 x = 288

Therefore x =
`(288)/(4)`

x = 72