Home / 54,825.74-82,229.60-19,278.70

Finding the Fourth Proportional to 54,825.74, 82,229.60 and 19,278.70

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Solution

The fourth proportional to 54,825.74, 82,229.60 and 19,278.70 is: 28,914.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,825.74 : 82,229.60 = 19,278.70 : x
  2. Step 2: Convert to fraction form
    54,825.74/82,229.60 = 19,278.70/x
  3. Step 3: Cross multiply
    54,825.74x = 82,229.60 × 19,278.70
  4. Step 4: Simplify right side
    54,825.74x = 1,585,279,789.52
  5. Step 5: Solve for x
    x = 1,585,279,789.52/54,825.74
  6. Step 6: Final answer
    x = 28,914.88

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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.