Home / 67,034.12-100,565.01-19,650.76

Finding the Fourth Proportional to 67,034.12, 100,565.01 and 19,650.76

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Solution

The fourth proportional to 67,034.12, 100,565.01 and 19,650.76 is: 29,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.12 : 100,565.01 = 19,650.76 : x
  2. Step 2: Convert to fraction form
    67,034.12/100,565.01 = 19,650.76/x
  3. Step 3: Cross multiply
    67,034.12x = 100,565.01 × 19,650.76
  4. Step 4: Simplify right side
    67,034.12x = 1,976,178,624.50
  5. Step 5: Solve for x
    x = 1,976,178,624.50/67,034.12
  6. Step 6: Final answer
    x = 29,480.19

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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.