Home / 54,871.56-82,310.40-15,425.60

Finding the Fourth Proportional to 54,871.56, 82,310.40 and 15,425.60

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Solution

The fourth proportional to 54,871.56, 82,310.40 and 15,425.60 is: 23,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,871.56 : 82,310.40 = 15,425.60 : x
  2. Step 2: Convert to fraction form
    54,871.56/82,310.40 = 15,425.60/x
  3. Step 3: Cross multiply
    54,871.56x = 82,310.40 × 15,425.60
  4. Step 4: Simplify right side
    54,871.56x = 1,269,687,306.24
  5. Step 5: Solve for x
    x = 1,269,687,306.24/54,871.56
  6. Step 6: Final answer
    x = 23,139.26

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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.