Home / 40,880.28-61,329.26-12,414.89

Finding the Fourth Proportional to 40,880.28, 61,329.26 and 12,414.89

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Solution

The fourth proportional to 40,880.28, 61,329.26 and 12,414.89 is: 18,625.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,880.28 : 61,329.26 = 12,414.89 : x
  2. Step 2: Convert to fraction form
    40,880.28/61,329.26 = 12,414.89/x
  3. Step 3: Cross multiply
    40,880.28x = 61,329.26 × 12,414.89
  4. Step 4: Simplify right side
    40,880.28x = 761,396,201.04
  5. Step 5: Solve for x
    x = 761,396,201.04/40,880.28
  6. Step 6: Final answer
    x = 18,625.02

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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.