Home / 54,867.78-82,306.53-15,425.24

Finding the Fourth Proportional to 54,867.78, 82,306.53 and 15,425.24

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Solution

The fourth proportional to 54,867.78, 82,306.53 and 15,425.24 is: 23,139.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,867.78 : 82,306.53 = 15,425.24 : x
  2. Step 2: Convert to fraction form
    54,867.78/82,306.53 = 15,425.24/x
  3. Step 3: Cross multiply
    54,867.78x = 82,306.53 × 15,425.24
  4. Step 4: Simplify right side
    54,867.78x = 1,269,597,567.28
  5. Step 5: Solve for x
    x = 1,269,597,567.28/54,867.78
  6. Step 6: Final answer
    x = 23,139.22

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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.