Home / 40,891.20-61,304.40-22,423.20

Finding the Fourth Proportional to 40,891.20, 61,304.40 and 22,423.20

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Solution

The fourth proportional to 40,891.20, 61,304.40 and 22,423.20 is: 33,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.20 : 61,304.40 = 22,423.20 : x
  2. Step 2: Convert to fraction form
    40,891.20/61,304.40 = 22,423.20/x
  3. Step 3: Cross multiply
    40,891.20x = 61,304.40 × 22,423.20
  4. Step 4: Simplify right side
    40,891.20x = 1,374,640,822.08
  5. Step 5: Solve for x
    x = 1,374,640,822.08/40,891.20
  6. Step 6: Final answer
    x = 33,617.03

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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.