Finding the Fourth Proportional to 32.75, 48.72 and 32.15

Step by Step Solution

1. Step 1: Write the proportion equation
   32.75 : 48.72 = 32.15 : x
2. Step 2: Convert to fraction form
   32.75/48.72 = 32.15/x
3. Step 3: Cross multiply
   32.75x = 48.72 × 32.15
4. Step 4: Simplify right side
   32.75x = 1,566.10
5. Step 5: Solve for x
   x = 1,566.10/32.75
6. Step 6: Final answer
   x = 47.83