Home / 41,163.90-61,771.82-21,456.29

Finding the Fourth Proportional to 41,163.90, 61,771.82 and 21,456.29

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Solution

The fourth proportional to 41,163.90, 61,771.82 and 21,456.29 is: 32,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,163.90 : 61,771.82 = 21,456.29 : x
  2. Step 2: Convert to fraction form
    41,163.90/61,771.82 = 21,456.29/x
  3. Step 3: Cross multiply
    41,163.90x = 61,771.82 × 21,456.29
  4. Step 4: Simplify right side
    41,163.90x = 1,325,394,130.90
  5. Step 5: Solve for x
    x = 1,325,394,130.90/41,163.90
  6. Step 6: Final answer
    x = 32,197.98

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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.