Home / 31,721.46-47,593.56-14,869.68

Finding the Fourth Proportional to 31,721.46, 47,593.56 and 14,869.68

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Solution

The fourth proportional to 31,721.46, 47,593.56 and 14,869.68 is: 22,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,721.46 : 47,593.56 = 14,869.68 : x
  2. Step 2: Convert to fraction form
    31,721.46/47,593.56 = 14,869.68/x
  3. Step 3: Cross multiply
    31,721.46x = 47,593.56 × 14,869.68
  4. Step 4: Simplify right side
    31,721.46x = 707,701,007.26
  5. Step 5: Solve for x
    x = 707,701,007.26/31,721.46
  6. Step 6: Final answer
    x = 22,309.85

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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.