Home / 66,939.38-100,406.14-22,565.96

Finding the Fourth Proportional to 66,939.38, 100,406.14 and 22,565.96

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Solution

The fourth proportional to 66,939.38, 100,406.14 and 22,565.96 is: 33,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,939.38 : 100,406.14 = 22,565.96 : x
  2. Step 2: Convert to fraction form
    66,939.38/100,406.14 = 22,565.96/x
  3. Step 3: Cross multiply
    66,939.38x = 100,406.14 × 22,565.96
  4. Step 4: Simplify right side
    66,939.38x = 2,265,760,938.99
  5. Step 5: Solve for x
    x = 2,265,760,938.99/66,939.38
  6. Step 6: Final answer
    x = 33,847.95

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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.