Home / 41,123.20-61,647-14,821.52

Finding the Fourth Proportional to 41,123.20, 61,647 and 14,821.52

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Solution

The fourth proportional to 41,123.20, 61,647 and 14,821.52 is: 22,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.20 : 61,647 = 14,821.52 : x
  2. Step 2: Convert to fraction form
    41,123.20/61,647 = 14,821.52/x
  3. Step 3: Cross multiply
    41,123.20x = 61,647 × 14,821.52
  4. Step 4: Simplify right side
    41,123.20x = 913,702,243.44
  5. Step 5: Solve for x
    x = 913,702,243.44/41,123.20
  6. Step 6: Final answer
    x = 22,218.66

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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.