Home / 54,545.28-81,861.64-28,257.52

Finding the Fourth Proportional to 54,545.28, 81,861.64 and 28,257.52

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Solution

The fourth proportional to 54,545.28, 81,861.64 and 28,257.52 is: 42,408.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,545.28 : 81,861.64 = 28,257.52 : x
  2. Step 2: Convert to fraction form
    54,545.28/81,861.64 = 28,257.52/x
  3. Step 3: Cross multiply
    54,545.28x = 81,861.64 × 28,257.52
  4. Step 4: Simplify right side
    54,545.28x = 2,313,206,929.53
  5. Step 5: Solve for x
    x = 2,313,206,929.53/54,545.28
  6. Step 6: Final answer
    x = 42,408.93

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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.