Home / 31,807.74-47,717.10-10,747.95

Finding the Fourth Proportional to 31,807.74, 47,717.10 and 10,747.95

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Solution

The fourth proportional to 31,807.74, 47,717.10 and 10,747.95 is: 16,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,807.74 : 47,717.10 = 10,747.95 : x
  2. Step 2: Convert to fraction form
    31,807.74/47,717.10 = 10,747.95/x
  3. Step 3: Cross multiply
    31,807.74x = 47,717.10 × 10,747.95
  4. Step 4: Simplify right side
    31,807.74x = 512,861,004.95
  5. Step 5: Solve for x
    x = 512,861,004.95/31,807.74
  6. Step 6: Final answer
    x = 16,123.78

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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.