Home / 43,418.40-65,176.20-33,601.20

Finding the Fourth Proportional to 43,418.40, 65,176.20 and 33,601.20

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Solution

The fourth proportional to 43,418.40, 65,176.20 and 33,601.20 is: 50,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.40 : 65,176.20 = 33,601.20 : x
  2. Step 2: Convert to fraction form
    43,418.40/65,176.20 = 33,601.20/x
  3. Step 3: Cross multiply
    43,418.40x = 65,176.20 × 33,601.20
  4. Step 4: Simplify right side
    43,418.40x = 2,189,998,531.44
  5. Step 5: Solve for x
    x = 2,189,998,531.44/43,418.40
  6. Step 6: Final answer
    x = 50,439.41

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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.