Home / 31,839.47-47,740.91-13,132.38

Finding the Fourth Proportional to 31,839.47, 47,740.91 and 13,132.38

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Solution

The fourth proportional to 31,839.47, 47,740.91 and 13,132.38 is: 19,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,839.47 : 47,740.91 = 13,132.38 : x
  2. Step 2: Convert to fraction form
    31,839.47/47,740.91 = 13,132.38/x
  3. Step 3: Cross multiply
    31,839.47x = 47,740.91 × 13,132.38
  4. Step 4: Simplify right side
    31,839.47x = 626,951,706.00
  5. Step 5: Solve for x
    x = 626,951,706.00/31,839.47
  6. Step 6: Final answer
    x = 19,691.03

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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.