Home / 66,211.22-99,329.09-21,841.04

Finding the Fourth Proportional to 66,211.22, 99,329.09 and 21,841.04

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Solution

The fourth proportional to 66,211.22, 99,329.09 and 21,841.04 is: 32,765.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.22 : 99,329.09 = 21,841.04 : x
  2. Step 2: Convert to fraction form
    66,211.22/99,329.09 = 21,841.04/x
  3. Step 3: Cross multiply
    66,211.22x = 99,329.09 × 21,841.04
  4. Step 4: Simplify right side
    66,211.22x = 2,169,450,766.97
  5. Step 5: Solve for x
    x = 2,169,450,766.97/66,211.22
  6. Step 6: Final answer
    x = 32,765.61

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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.