Home / 38,502.20-57,753.30-37,983.80

Finding the Fourth Proportional to 38,502.20, 57,753.30 and 37,983.80

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Solution

The fourth proportional to 38,502.20, 57,753.30 and 37,983.80 is: 56,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.20 : 57,753.30 = 37,983.80 : x
  2. Step 2: Convert to fraction form
    38,502.20/57,753.30 = 37,983.80/x
  3. Step 3: Cross multiply
    38,502.20x = 57,753.30 × 37,983.80
  4. Step 4: Simplify right side
    38,502.20x = 2,193,689,796.54
  5. Step 5: Solve for x
    x = 2,193,689,796.54/38,502.20
  6. Step 6: Final answer
    x = 56,975.70

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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.