Home / 43,418.43-65,137.68-13,836.24

Finding the Fourth Proportional to 43,418.43, 65,137.68 and 13,836.24

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Solution

The fourth proportional to 43,418.43, 65,137.68 and 13,836.24 is: 20,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,418.43 : 65,137.68 = 13,836.24 : x
  2. Step 2: Convert to fraction form
    43,418.43/65,137.68 = 13,836.24/x
  3. Step 3: Cross multiply
    43,418.43x = 65,137.68 × 13,836.24
  4. Step 4: Simplify right side
    43,418.43x = 901,260,573.52
  5. Step 5: Solve for x
    x = 901,260,573.52/43,418.43
  6. Step 6: Final answer
    x = 20,757.56

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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.