Home / 39,874.52-54,628.36-38,379.80

Finding the Fourth Proportional to 39,874.52, 54,628.36 and 38,379.80

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Solution

The fourth proportional to 39,874.52, 54,628.36 and 38,379.80 is: 52,580.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,874.52 : 54,628.36 = 38,379.80 : x
  2. Step 2: Convert to fraction form
    39,874.52/54,628.36 = 38,379.80/x
  3. Step 3: Cross multiply
    39,874.52x = 54,628.36 × 38,379.80
  4. Step 4: Simplify right side
    39,874.52x = 2,096,625,531.13
  5. Step 5: Solve for x
    x = 2,096,625,531.13/39,874.52
  6. Step 6: Final answer
    x = 52,580.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.