Home / 40,714.97-61,081.23-12,634.43

Finding the Fourth Proportional to 40,714.97, 61,081.23 and 12,634.43

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Solution

The fourth proportional to 40,714.97, 61,081.23 and 12,634.43 is: 18,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,714.97 : 61,081.23 = 12,634.43 : x
  2. Step 2: Convert to fraction form
    40,714.97/61,081.23 = 12,634.43/x
  3. Step 3: Cross multiply
    40,714.97x = 61,081.23 × 12,634.43
  4. Step 4: Simplify right side
    40,714.97x = 771,726,524.75
  5. Step 5: Solve for x
    x = 771,726,524.75/40,714.97
  6. Step 6: Final answer
    x = 18,954.37

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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.