Home / 41,420.28-62,121.60-11,830.26

Finding the Fourth Proportional to 41,420.28, 62,121.60 and 11,830.26

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Solution

The fourth proportional to 41,420.28, 62,121.60 and 11,830.26 is: 17,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.28 : 62,121.60 = 11,830.26 : x
  2. Step 2: Convert to fraction form
    41,420.28/62,121.60 = 11,830.26/x
  3. Step 3: Cross multiply
    41,420.28x = 62,121.60 × 11,830.26
  4. Step 4: Simplify right side
    41,420.28x = 734,914,679.62
  5. Step 5: Solve for x
    x = 734,914,679.62/41,420.28
  6. Step 6: Final answer
    x = 17,742.87

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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.