Home / 54,282.18-81,333.24-38,408.53

Finding the Fourth Proportional to 54,282.18, 81,333.24 and 38,408.53

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Solution

The fourth proportional to 54,282.18, 81,333.24 and 38,408.53 is: 57,549.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,282.18 : 81,333.24 = 38,408.53 : x
  2. Step 2: Convert to fraction form
    54,282.18/81,333.24 = 38,408.53/x
  3. Step 3: Cross multiply
    54,282.18x = 81,333.24 × 38,408.53
  4. Step 4: Simplify right side
    54,282.18x = 3,123,890,188.54
  5. Step 5: Solve for x
    x = 3,123,890,188.54/54,282.18
  6. Step 6: Final answer
    x = 57,549.09

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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.