Home / 54,711.64-82,072.05-15,269.23

Finding the Fourth Proportional to 54,711.64, 82,072.05 and 15,269.23

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Solution

The fourth proportional to 54,711.64, 82,072.05 and 15,269.23 is: 22,905.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.64 : 82,072.05 = 15,269.23 : x
  2. Step 2: Convert to fraction form
    54,711.64/82,072.05 = 15,269.23/x
  3. Step 3: Cross multiply
    54,711.64x = 82,072.05 × 15,269.23
  4. Step 4: Simplify right side
    54,711.64x = 1,253,177,008.02
  5. Step 5: Solve for x
    x = 1,253,177,008.02/54,711.64
  6. Step 6: Final answer
    x = 22,905.13

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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.