Home / 40,640.97-60,963.83-15,681.15

Finding the Fourth Proportional to 40,640.97, 60,963.83 and 15,681.15

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Solution

The fourth proportional to 40,640.97, 60,963.83 and 15,681.15 is: 23,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,640.97 : 60,963.83 = 15,681.15 : x
  2. Step 2: Convert to fraction form
    40,640.97/60,963.83 = 15,681.15/x
  3. Step 3: Cross multiply
    40,640.97x = 60,963.83 × 15,681.15
  4. Step 4: Simplify right side
    40,640.97x = 955,982,962.80
  5. Step 5: Solve for x
    x = 955,982,962.80/40,640.97
  6. Step 6: Final answer
    x = 23,522.64

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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.