Home / 31,397.76-47,098.80-10,614.24

Finding the Fourth Proportional to 31,397.76, 47,098.80 and 10,614.24

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Solution

The fourth proportional to 31,397.76, 47,098.80 and 10,614.24 is: 15,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.76 : 47,098.80 = 10,614.24 : x
  2. Step 2: Convert to fraction form
    31,397.76/47,098.80 = 10,614.24/x
  3. Step 3: Cross multiply
    31,397.76x = 47,098.80 × 10,614.24
  4. Step 4: Simplify right side
    31,397.76x = 499,917,966.91
  5. Step 5: Solve for x
    x = 499,917,966.91/31,397.76
  6. Step 6: Final answer
    x = 15,922.09

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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.