Home / 40,714.20-61,049.16-12,626.64

Finding the Fourth Proportional to 40,714.20, 61,049.16 and 12,626.64

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Solution

The fourth proportional to 40,714.20, 61,049.16 and 12,626.64 is: 18,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,714.20 : 61,049.16 = 12,626.64 : x
  2. Step 2: Convert to fraction form
    40,714.20/61,049.16 = 12,626.64/x
  3. Step 3: Cross multiply
    40,714.20x = 61,049.16 × 12,626.64
  4. Step 4: Simplify right side
    40,714.20x = 770,845,765.62
  5. Step 5: Solve for x
    x = 770,845,765.62/40,714.20
  6. Step 6: Final answer
    x = 18,933.09

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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.