Home / 57,431.92-86,187.24-22,371.76

Finding the Fourth Proportional to 57,431.92, 86,187.24 and 22,371.76

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Solution

The fourth proportional to 57,431.92, 86,187.24 and 22,371.76 is: 33,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,431.92 : 86,187.24 = 22,371.76 : x
  2. Step 2: Convert to fraction form
    57,431.92/86,187.24 = 22,371.76/x
  3. Step 3: Cross multiply
    57,431.92x = 86,187.24 × 22,371.76
  4. Step 4: Simplify right side
    57,431.92x = 1,928,160,248.34
  5. Step 5: Solve for x
    x = 1,928,160,248.34/57,431.92
  6. Step 6: Final answer
    x = 33,572.97

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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.