Home / 38,084.22-57,131.79-11,791.02

Finding the Fourth Proportional to 38,084.22, 57,131.79 and 11,791.02

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Solution

The fourth proportional to 38,084.22, 57,131.79 and 11,791.02 is: 17,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,084.22 : 57,131.79 = 11,791.02 : x
  2. Step 2: Convert to fraction form
    38,084.22/57,131.79 = 11,791.02/x
  3. Step 3: Cross multiply
    38,084.22x = 57,131.79 × 11,791.02
  4. Step 4: Simplify right side
    38,084.22x = 673,642,078.53
  5. Step 5: Solve for x
    x = 673,642,078.53/38,084.22
  6. Step 6: Final answer
    x = 17,688.22

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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.