Home / 31,801.07-47,702.61-15,997.47

Finding the Fourth Proportional to 31,801.07, 47,702.61 and 15,997.47

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Solution

The fourth proportional to 31,801.07, 47,702.61 and 15,997.47 is: 23,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,801.07 : 47,702.61 = 15,997.47 : x
  2. Step 2: Convert to fraction form
    31,801.07/47,702.61 = 15,997.47/x
  3. Step 3: Cross multiply
    31,801.07x = 47,702.61 × 15,997.47
  4. Step 4: Simplify right side
    31,801.07x = 763,121,072.40
  5. Step 5: Solve for x
    x = 763,121,072.40/31,801.07
  6. Step 6: Final answer
    x = 23,996.71

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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.