Home / 31,767.52-47,651.28-18,711.04

Finding the Fourth Proportional to 31,767.52, 47,651.28 and 18,711.04

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Solution

The fourth proportional to 31,767.52, 47,651.28 and 18,711.04 is: 28,066.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,767.52 : 47,651.28 = 18,711.04 : x
  2. Step 2: Convert to fraction form
    31,767.52/47,651.28 = 18,711.04/x
  3. Step 3: Cross multiply
    31,767.52x = 47,651.28 × 18,711.04
  4. Step 4: Simplify right side
    31,767.52x = 891,605,006.13
  5. Step 5: Solve for x
    x = 891,605,006.13/31,767.52
  6. Step 6: Final answer
    x = 28,066.56

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1.5x scale

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.