Question

find fourth proportional to 30 32 42

Answer 1

let the forth no. be x
30:32::42:x
product of extreme= product of means
30×x=32×42
x=32×42/30
x=32.4ans

Answer 2

Answer:

Here it is:-

Step-by-step explanation:

let the forth no. be x

30:32::42:x

product of extreme= product of means

30×x=32×42

x=32×42/30

x=32.4ans