Home / 38,131.76-57,197.04-11,836.53

Finding the Fourth Proportional to 38,131.76, 57,197.04 and 11,836.53

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Solution

The fourth proportional to 38,131.76, 57,197.04 and 11,836.53 is: 17,754.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.76 : 57,197.04 = 11,836.53 : x
  2. Step 2: Convert to fraction form
    38,131.76/57,197.04 = 11,836.53/x
  3. Step 3: Cross multiply
    38,131.76x = 57,197.04 × 11,836.53
  4. Step 4: Simplify right side
    38,131.76x = 677,014,435.48
  5. Step 5: Solve for x
    x = 677,014,435.48/38,131.76
  6. Step 6: Final answer
    x = 17,754.61

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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.