Home / 31,800.62-47,711.29-15,997.49

Finding the Fourth Proportional to 31,800.62, 47,711.29 and 15,997.49

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Solution

The fourth proportional to 31,800.62, 47,711.29 and 15,997.49 is: 24,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.62 : 47,711.29 = 15,997.49 : x
  2. Step 2: Convert to fraction form
    31,800.62/47,711.29 = 15,997.49/x
  3. Step 3: Cross multiply
    31,800.62x = 47,711.29 × 15,997.49
  4. Step 4: Simplify right side
    31,800.62x = 763,260,963.95
  5. Step 5: Solve for x
    x = 763,260,963.95/31,800.62
  6. Step 6: Final answer
    x = 24,001.45

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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.