Home / 67,857.14-101,819.44-30,443.65

Finding the Fourth Proportional to 67,857.14, 101,819.44 and 30,443.65

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Solution

The fourth proportional to 67,857.14, 101,819.44 and 30,443.65 is: 45,680.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,857.14 : 101,819.44 = 30,443.65 : x
  2. Step 2: Convert to fraction form
    67,857.14/101,819.44 = 30,443.65/x
  3. Step 3: Cross multiply
    67,857.14x = 101,819.44 × 30,443.65
  4. Step 4: Simplify right side
    67,857.14x = 3,099,755,394.56
  5. Step 5: Solve for x
    x = 3,099,755,394.56/67,857.14
  6. Step 6: Final answer
    x = 45,680.61

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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.