Home / 40,414.20-60,578.10-18,223.80

Finding the Fourth Proportional to 40,414.20, 60,578.10 and 18,223.80

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Solution

The fourth proportional to 40,414.20, 60,578.10 and 18,223.80 is: 27,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,414.20 : 60,578.10 = 18,223.80 : x
  2. Step 2: Convert to fraction form
    40,414.20/60,578.10 = 18,223.80/x
  3. Step 3: Cross multiply
    40,414.20x = 60,578.10 × 18,223.80
  4. Step 4: Simplify right side
    40,414.20x = 1,103,963,178.78
  5. Step 5: Solve for x
    x = 1,103,963,178.78/40,414.20
  6. Step 6: Final answer
    x = 27,316.22

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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.