Home / 54,660.38-81,990.66-15,217.49

Finding the Fourth Proportional to 54,660.38, 81,990.66 and 15,217.49

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Solution

The fourth proportional to 54,660.38, 81,990.66 and 15,217.49 is: 22,826.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.38 : 81,990.66 = 15,217.49 : x
  2. Step 2: Convert to fraction form
    54,660.38/81,990.66 = 15,217.49/x
  3. Step 3: Cross multiply
    54,660.38x = 81,990.66 × 15,217.49
  4. Step 4: Simplify right side
    54,660.38x = 1,247,691,638.69
  5. Step 5: Solve for x
    x = 1,247,691,638.69/54,660.38
  6. Step 6: Final answer
    x = 22,826.25

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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.