Home / 54,338.91-81,520.11-16,898.28

Finding the Fourth Proportional to 54,338.91, 81,520.11 and 16,898.28

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Solution

The fourth proportional to 54,338.91, 81,520.11 and 16,898.28 is: 25,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.91 : 81,520.11 = 16,898.28 : x
  2. Step 2: Convert to fraction form
    54,338.91/81,520.11 = 16,898.28/x
  3. Step 3: Cross multiply
    54,338.91x = 81,520.11 × 16,898.28
  4. Step 4: Simplify right side
    54,338.91x = 1,377,549,644.41
  5. Step 5: Solve for x
    x = 1,377,549,644.41/54,338.91
  6. Step 6: Final answer
    x = 25,351.07

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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.