Home / 42,101.46-63,163.17-15,806.70

Finding the Fourth Proportional to 42,101.46, 63,163.17 and 15,806.70

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Solution

The fourth proportional to 42,101.46, 63,163.17 and 15,806.70 is: 23,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,101.46 : 63,163.17 = 15,806.70 : x
  2. Step 2: Convert to fraction form
    42,101.46/63,163.17 = 15,806.70/x
  3. Step 3: Cross multiply
    42,101.46x = 63,163.17 × 15,806.70
  4. Step 4: Simplify right side
    42,101.46x = 998,401,279.24
  5. Step 5: Solve for x
    x = 998,401,279.24/42,101.46
  6. Step 6: Final answer
    x = 23,714.17

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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.