Home / 34,229.12-51,218.78-20,195.87

Finding the Fourth Proportional to 34,229.12, 51,218.78 and 20,195.87

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Solution

The fourth proportional to 34,229.12, 51,218.78 and 20,195.87 is: 30,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,229.12 : 51,218.78 = 20,195.87 : x
  2. Step 2: Convert to fraction form
    34,229.12/51,218.78 = 20,195.87/x
  3. Step 3: Cross multiply
    34,229.12x = 51,218.78 × 20,195.87
  4. Step 4: Simplify right side
    34,229.12x = 1,034,407,578.97
  5. Step 5: Solve for x
    x = 1,034,407,578.97/34,229.12
  6. Step 6: Final answer
    x = 30,220.11

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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.