Home / 40,478.13-60,714.83-15,517.17

Finding the Fourth Proportional to 40,478.13, 60,714.83 and 15,517.17

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Solution

The fourth proportional to 40,478.13, 60,714.83 and 15,517.17 is: 23,274.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,478.13 : 60,714.83 = 15,517.17 : x
  2. Step 2: Convert to fraction form
    40,478.13/60,714.83 = 15,517.17/x
  3. Step 3: Cross multiply
    40,478.13x = 60,714.83 × 15,517.17
  4. Step 4: Simplify right side
    40,478.13x = 942,122,377.42
  5. Step 5: Solve for x
    x = 942,122,377.42/40,478.13
  6. Step 6: Final answer
    x = 23,274.85

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1.5x scale

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.