Home / 54,982.09-82,514.60-40,229.07

Finding the Fourth Proportional to 54,982.09, 82,514.60 and 40,229.07

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Solution

The fourth proportional to 54,982.09, 82,514.60 and 40,229.07 is: 60,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,982.09 : 82,514.60 = 40,229.07 : x
  2. Step 2: Convert to fraction form
    54,982.09/82,514.60 = 40,229.07/x
  3. Step 3: Cross multiply
    54,982.09x = 82,514.60 × 40,229.07
  4. Step 4: Simplify right side
    54,982.09x = 3,319,485,375.74
  5. Step 5: Solve for x
    x = 3,319,485,375.74/54,982.09
  6. Step 6: Final answer
    x = 60,373.94

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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.