Home / 44,780.90-67,146.15-19,791.86

Finding the Fourth Proportional to 44,780.90, 67,146.15 and 19,791.86

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Solution

The fourth proportional to 44,780.90, 67,146.15 and 19,791.86 is: 29,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,780.90 : 67,146.15 = 19,791.86 : x
  2. Step 2: Convert to fraction form
    44,780.90/67,146.15 = 19,791.86/x
  3. Step 3: Cross multiply
    44,780.90x = 67,146.15 × 19,791.86
  4. Step 4: Simplify right side
    44,780.90x = 1,328,947,200.34
  5. Step 5: Solve for x
    x = 1,328,947,200.34/44,780.90
  6. Step 6: Final answer
    x = 29,676.65

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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.