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Finding the Fourth Proportional to 44,874.97, 67,312.44 and 21,174.71

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Solution

The fourth proportional to 44,874.97, 67,312.44 and 21,174.71 is: 31,762.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,874.97 : 67,312.44 = 21,174.71 : x
  2. Step 2: Convert to fraction form
    44,874.97/67,312.44 = 21,174.71/x
  3. Step 3: Cross multiply
    44,874.97x = 67,312.44 × 21,174.71
  4. Step 4: Simplify right side
    44,874.97x = 1,425,321,059.83
  5. Step 5: Solve for x
    x = 1,425,321,059.83/44,874.97
  6. Step 6: Final answer
    x = 31,762.05

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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.