Home / 69,363.20-95,721.55-39,149.80

Finding the Fourth Proportional to 69,363.20, 95,721.55 and 39,149.80

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Solution

The fourth proportional to 69,363.20, 95,721.55 and 39,149.80 is: 54,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,363.20 : 95,721.55 = 39,149.80 : x
  2. Step 2: Convert to fraction form
    69,363.20/95,721.55 = 39,149.80/x
  3. Step 3: Cross multiply
    69,363.20x = 95,721.55 × 39,149.80
  4. Step 4: Simplify right side
    69,363.20x = 3,747,479,201.01
  5. Step 5: Solve for x
    x = 3,747,479,201.01/69,363.20
  6. Step 6: Final answer
    x = 54,026.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.