Home / 44,414.10-66,511.80-21,013.20

Finding the Fourth Proportional to 44,414.10, 66,511.80 and 21,013.20

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Solution

The fourth proportional to 44,414.10, 66,511.80 and 21,013.20 is: 31,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,414.10 : 66,511.80 = 21,013.20 : x
  2. Step 2: Convert to fraction form
    44,414.10/66,511.80 = 21,013.20/x
  3. Step 3: Cross multiply
    44,414.10x = 66,511.80 × 21,013.20
  4. Step 4: Simplify right side
    44,414.10x = 1,397,625,755.76
  5. Step 5: Solve for x
    x = 1,397,625,755.76/44,414.10
  6. Step 6: Final answer
    x = 31,468.06

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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.