Home / 55,128.92-82,627.76-38,398.37

Finding the Fourth Proportional to 55,128.92, 82,627.76 and 38,398.37

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Solution

The fourth proportional to 55,128.92, 82,627.76 and 38,398.37 is: 57,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,128.92 : 82,627.76 = 38,398.37 : x
  2. Step 2: Convert to fraction form
    55,128.92/82,627.76 = 38,398.37/x
  3. Step 3: Cross multiply
    55,128.92x = 82,627.76 × 38,398.37
  4. Step 4: Simplify right side
    55,128.92x = 3,172,770,887.61
  5. Step 5: Solve for x
    x = 3,172,770,887.61/55,128.92
  6. Step 6: Final answer
    x = 57,551.85

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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.