Home / 66,264.67-99,400.20-21,890.44

Finding the Fourth Proportional to 66,264.67, 99,400.20 and 21,890.44

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Solution

The fourth proportional to 66,264.67, 99,400.20 and 21,890.44 is: 32,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,264.67 : 99,400.20 = 21,890.44 : x
  2. Step 2: Convert to fraction form
    66,264.67/99,400.20 = 21,890.44/x
  3. Step 3: Cross multiply
    66,264.67x = 99,400.20 × 21,890.44
  4. Step 4: Simplify right side
    66,264.67x = 2,175,914,114.09
  5. Step 5: Solve for x
    x = 2,175,914,114.09/66,264.67
  6. Step 6: Final answer
    x = 32,836.72

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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.