Home / 31,801.29-47,702.96-15,997.70

Finding the Fourth Proportional to 31,801.29, 47,702.96 and 15,997.70

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Solution

The fourth proportional to 31,801.29, 47,702.96 and 15,997.70 is: 23,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801.29 : 47,702.96 = 15,997.70 : x
  2. Step 2: Convert to fraction form
    31,801.29/47,702.96 = 15,997.70/x
  3. Step 3: Cross multiply
    31,801.29x = 47,702.96 × 15,997.70
  4. Step 4: Simplify right side
    31,801.29x = 763,137,324.69
  5. Step 5: Solve for x
    x = 763,137,324.69/31,801.29
  6. Step 6: Final answer
    x = 23,997.06

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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.