Home / 39,175.17-54,062.22-21,270.48

Finding the Fourth Proportional to 39,175.17, 54,062.22 and 21,270.48

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Solution

The fourth proportional to 39,175.17, 54,062.22 and 21,270.48 is: 29,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,175.17 : 54,062.22 = 21,270.48 : x
  2. Step 2: Convert to fraction form
    39,175.17/54,062.22 = 21,270.48/x
  3. Step 3: Cross multiply
    39,175.17x = 54,062.22 × 21,270.48
  4. Step 4: Simplify right side
    39,175.17x = 1,149,929,369.27
  5. Step 5: Solve for x
    x = 1,149,929,369.27/39,175.17
  6. Step 6: Final answer
    x = 29,353.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.