Home / 48,787.24-73,042.47-31,939.87

Finding the Fourth Proportional to 48,787.24, 73,042.47 and 31,939.87

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Solution

The fourth proportional to 48,787.24, 73,042.47 and 31,939.87 is: 47,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,787.24 : 73,042.47 = 31,939.87 : x
  2. Step 2: Convert to fraction form
    48,787.24/73,042.47 = 31,939.87/x
  3. Step 3: Cross multiply
    48,787.24x = 73,042.47 × 31,939.87
  4. Step 4: Simplify right side
    48,787.24x = 2,332,966,996.28
  5. Step 5: Solve for x
    x = 2,332,966,996.28/48,787.24
  6. Step 6: Final answer
    x = 47,819.20

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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.