Home / 45,115.79-62,117.13-39,734.42

Finding the Fourth Proportional to 45,115.79, 62,117.13 and 39,734.42

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Solution

The fourth proportional to 45,115.79, 62,117.13 and 39,734.42 is: 54,707.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.79 : 62,117.13 = 39,734.42 : x
  2. Step 2: Convert to fraction form
    45,115.79/62,117.13 = 39,734.42/x
  3. Step 3: Cross multiply
    45,115.79x = 62,117.13 × 39,734.42
  4. Step 4: Simplify right side
    45,115.79x = 2,468,188,132.61
  5. Step 5: Solve for x
    x = 2,468,188,132.61/45,115.79
  6. Step 6: Final answer
    x = 54,707.86

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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.