Home / 41,220.16-61,839.84-13,516.48

Finding the Fourth Proportional to 41,220.16, 61,839.84 and 13,516.48

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Solution

The fourth proportional to 41,220.16, 61,839.84 and 13,516.48 is: 20,277.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,220.16 : 61,839.84 = 13,516.48 : x
  2. Step 2: Convert to fraction form
    41,220.16/61,839.84 = 13,516.48/x
  3. Step 3: Cross multiply
    41,220.16x = 61,839.84 × 13,516.48
  4. Step 4: Simplify right side
    41,220.16x = 835,856,960.56
  5. Step 5: Solve for x
    x = 835,856,960.56/41,220.16
  6. Step 6: Final answer
    x = 20,277.87

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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.