Home / 31,937.43-47,930.75-25,712.70

Finding the Fourth Proportional to 31,937.43, 47,930.75 and 25,712.70

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Solution

The fourth proportional to 31,937.43, 47,930.75 and 25,712.70 is: 38,588.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.43 : 47,930.75 = 25,712.70 : x
  2. Step 2: Convert to fraction form
    31,937.43/47,930.75 = 25,712.70/x
  3. Step 3: Cross multiply
    31,937.43x = 47,930.75 × 25,712.70
  4. Step 4: Simplify right side
    31,937.43x = 1,232,428,995.53
  5. Step 5: Solve for x
    x = 1,232,428,995.53/31,937.43
  6. Step 6: Final answer
    x = 38,588.86

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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.