Home / 41,125.57-61,678.89-13,040.41

Finding the Fourth Proportional to 41,125.57, 61,678.89 and 13,040.41

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Solution

The fourth proportional to 41,125.57, 61,678.89 and 13,040.41 is: 19,557.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,125.57 : 61,678.89 = 13,040.41 : x
  2. Step 2: Convert to fraction form
    41,125.57/61,678.89 = 13,040.41/x
  3. Step 3: Cross multiply
    41,125.57x = 61,678.89 × 13,040.41
  4. Step 4: Simplify right side
    41,125.57x = 804,318,013.94
  5. Step 5: Solve for x
    x = 804,318,013.94/41,125.57
  6. Step 6: Final answer
    x = 19,557.61

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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.