Home / 38,660.73-57,996-13,695.90

Finding the Fourth Proportional to 38,660.73, 57,996 and 13,695.90

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Solution

The fourth proportional to 38,660.73, 57,996 and 13,695.90 is: 20,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.73 : 57,996 = 13,695.90 : x
  2. Step 2: Convert to fraction form
    38,660.73/57,996 = 13,695.90/x
  3. Step 3: Cross multiply
    38,660.73x = 57,996 × 13,695.90
  4. Step 4: Simplify right side
    38,660.73x = 794,307,416.40
  5. Step 5: Solve for x
    x = 794,307,416.40/38,660.73
  6. Step 6: Final answer
    x = 20,545.59

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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.