Home / 41,918.60-62,885.66-13,840.61

Finding the Fourth Proportional to 41,918.60, 62,885.66 and 13,840.61

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Solution

The fourth proportional to 41,918.60, 62,885.66 and 13,840.61 is: 20,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,918.60 : 62,885.66 = 13,840.61 : x
  2. Step 2: Convert to fraction form
    41,918.60/62,885.66 = 13,840.61/x
  3. Step 3: Cross multiply
    41,918.60x = 62,885.66 × 13,840.61
  4. Step 4: Simplify right side
    41,918.60x = 870,375,894.65
  5. Step 5: Solve for x
    x = 870,375,894.65/41,918.60
  6. Step 6: Final answer
    x = 20,763.48

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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.