Home / 40,138.92-60,175.56-15,164.82

Finding the Fourth Proportional to 40,138.92, 60,175.56 and 15,164.82

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Solution

The fourth proportional to 40,138.92, 60,175.56 and 15,164.82 is: 22,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.92 : 60,175.56 = 15,164.82 : x
  2. Step 2: Convert to fraction form
    40,138.92/60,175.56 = 15,164.82/x
  3. Step 3: Cross multiply
    40,138.92x = 60,175.56 × 15,164.82
  4. Step 4: Simplify right side
    40,138.92x = 912,551,535.80
  5. Step 5: Solve for x
    x = 912,551,535.80/40,138.92
  6. Step 6: Final answer
    x = 22,734.83

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1.5x scale

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.