Home / 38,408.46-57,621.15-11,754.66

Finding the Fourth Proportional to 38,408.46, 57,621.15 and 11,754.66

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Solution

The fourth proportional to 38,408.46, 57,621.15 and 11,754.66 is: 17,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.46 : 57,621.15 = 11,754.66 : x
  2. Step 2: Convert to fraction form
    38,408.46/57,621.15 = 11,754.66/x
  3. Step 3: Cross multiply
    38,408.46x = 57,621.15 × 11,754.66
  4. Step 4: Simplify right side
    38,408.46x = 677,316,940.09
  5. Step 5: Solve for x
    x = 677,316,940.09/38,408.46
  6. Step 6: Final answer
    x = 17,634.58

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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.