Home / 41,531.20-62,296.80-13,825.60

Finding the Fourth Proportional to 41,531.20, 62,296.80 and 13,825.60

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Solution

The fourth proportional to 41,531.20, 62,296.80 and 13,825.60 is: 20,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,531.20 : 62,296.80 = 13,825.60 : x
  2. Step 2: Convert to fraction form
    41,531.20/62,296.80 = 13,825.60/x
  3. Step 3: Cross multiply
    41,531.20x = 62,296.80 × 13,825.60
  4. Step 4: Simplify right side
    41,531.20x = 861,290,638.08
  5. Step 5: Solve for x
    x = 861,290,638.08/41,531.20
  6. Step 6: Final answer
    x = 20,738.40

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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.