Home / 38,136.06-57,204.60-11,839.14

Finding the Fourth Proportional to 38,136.06, 57,204.60 and 11,839.14

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Solution

The fourth proportional to 38,136.06, 57,204.60 and 11,839.14 is: 17,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,136.06 : 57,204.60 = 11,839.14 : x
  2. Step 2: Convert to fraction form
    38,136.06/57,204.60 = 11,839.14/x
  3. Step 3: Cross multiply
    38,136.06x = 57,204.60 × 11,839.14
  4. Step 4: Simplify right side
    38,136.06x = 677,253,268.04
  5. Step 5: Solve for x
    x = 677,253,268.04/38,136.06
  6. Step 6: Final answer
    x = 17,758.87

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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.