Home / 40,639.97-60,962.33-15,680.15

Finding the Fourth Proportional to 40,639.97, 60,962.33 and 15,680.15

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Solution

The fourth proportional to 40,639.97, 60,962.33 and 15,680.15 is: 23,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,639.97 : 60,962.33 = 15,680.15 : x
  2. Step 2: Convert to fraction form
    40,639.97/60,962.33 = 15,680.15/x
  3. Step 3: Cross multiply
    40,639.97x = 60,962.33 × 15,680.15
  4. Step 4: Simplify right side
    40,639.97x = 955,898,095.54
  5. Step 5: Solve for x
    x = 955,898,095.54/40,639.97
  6. Step 6: Final answer
    x = 23,521.13

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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.