Home / 66,211.35-99,320.09-21,841.98

Finding the Fourth Proportional to 66,211.35, 99,320.09 and 21,841.98

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Solution

The fourth proportional to 66,211.35, 99,320.09 and 21,841.98 is: 32,763.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.35 : 99,320.09 = 21,841.98 : x
  2. Step 2: Convert to fraction form
    66,211.35/99,320.09 = 21,841.98/x
  3. Step 3: Cross multiply
    66,211.35x = 99,320.09 × 21,841.98
  4. Step 4: Simplify right side
    66,211.35x = 2,169,347,310.17
  5. Step 5: Solve for x
    x = 2,169,347,310.17/66,211.35
  6. Step 6: Final answer
    x = 32,763.98

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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.