Home / 54,974.11-82,469.28-19,905.58

Finding the Fourth Proportional to 54,974.11, 82,469.28 and 19,905.58

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Solution

The fourth proportional to 54,974.11, 82,469.28 and 19,905.58 is: 29,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.11 : 82,469.28 = 19,905.58 : x
  2. Step 2: Convert to fraction form
    54,974.11/82,469.28 = 19,905.58/x
  3. Step 3: Cross multiply
    54,974.11x = 82,469.28 × 19,905.58
  4. Step 4: Simplify right side
    54,974.11x = 1,641,598,850.58
  5. Step 5: Solve for x
    x = 1,641,598,850.58/54,974.11
  6. Step 6: Final answer
    x = 29,861.31

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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.