Home / 54,915.20-82,388.29-15,472.66

Finding the Fourth Proportional to 54,915.20, 82,388.29 and 15,472.66

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Solution

The fourth proportional to 54,915.20, 82,388.29 and 15,472.66 is: 23,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,915.20 : 82,388.29 = 15,472.66 : x
  2. Step 2: Convert to fraction form
    54,915.20/82,388.29 = 15,472.66/x
  3. Step 3: Cross multiply
    54,915.20x = 82,388.29 × 15,472.66
  4. Step 4: Simplify right side
    54,915.20x = 1,274,765,999.15
  5. Step 5: Solve for x
    x = 1,274,765,999.15/54,915.20
  6. Step 6: Final answer
    x = 23,213.35

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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.