Home / 72.62-108.88-32.02

Finding the Fourth Proportional to 72.62, 108.88 and 32.02

Calculator

Solution

The fourth proportional to 72.62, 108.88 and 32.02 is: 48.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    72.62 : 108.88 = 32.02 : x
  2. Step 2: Convert to fraction form
    72.62/108.88 = 32.02/x
  3. Step 3: Cross multiply
    72.62x = 108.88 × 32.02
  4. Step 4: Simplify right side
    72.62x = 3,485.79
  5. Step 5: Solve for x
    x = 3,485.79/72.62
  6. Step 6: Final answer
    x = 48.00

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.