Home / 66,447.06-99,646.92-22,061.88

Finding the Fourth Proportional to 66,447.06, 99,646.92 and 22,061.88

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Solution

The fourth proportional to 66,447.06, 99,646.92 and 22,061.88 is: 33,084.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,447.06 : 99,646.92 = 22,061.88 : x
  2. Step 2: Convert to fraction form
    66,447.06/99,646.92 = 22,061.88/x
  3. Step 3: Cross multiply
    66,447.06x = 99,646.92 × 22,061.88
  4. Step 4: Simplify right side
    66,447.06x = 2,198,398,391.41
  5. Step 5: Solve for x
    x = 2,198,398,391.41/66,447.06
  6. Step 6: Final answer
    x = 33,084.96

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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.