Home / 43,872.95-65,791.33-16,851.22

Finding the Fourth Proportional to 43,872.95, 65,791.33 and 16,851.22

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Solution

The fourth proportional to 43,872.95, 65,791.33 and 16,851.22 is: 25,269.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.95 : 65,791.33 = 16,851.22 : x
  2. Step 2: Convert to fraction form
    43,872.95/65,791.33 = 16,851.22/x
  3. Step 3: Cross multiply
    43,872.95x = 65,791.33 × 16,851.22
  4. Step 4: Simplify right side
    43,872.95x = 1,108,664,175.92
  5. Step 5: Solve for x
    x = 1,108,664,175.92/43,872.95
  6. Step 6: Final answer
    x = 25,269.88

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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.