Home / 40,116.75-60,175.13-12,414.75

Finding the Fourth Proportional to 40,116.75, 60,175.13 and 12,414.75

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Solution

The fourth proportional to 40,116.75, 60,175.13 and 12,414.75 is: 18,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,116.75 : 60,175.13 = 12,414.75 : x
  2. Step 2: Convert to fraction form
    40,116.75/60,175.13 = 12,414.75/x
  3. Step 3: Cross multiply
    40,116.75x = 60,175.13 × 12,414.75
  4. Step 4: Simplify right side
    40,116.75x = 747,059,133.09
  5. Step 5: Solve for x
    x = 747,059,133.09/40,116.75
  6. Step 6: Final answer
    x = 18,622.13

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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.