Home / 29,122.29-43,683.48-12,481.02

Finding the Fourth Proportional to 29,122.29, 43,683.48 and 12,481.02

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Solution

The fourth proportional to 29,122.29, 43,683.48 and 12,481.02 is: 18,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.29 : 43,683.48 = 12,481.02 : x
  2. Step 2: Convert to fraction form
    29,122.29/43,683.48 = 12,481.02/x
  3. Step 3: Cross multiply
    29,122.29x = 43,683.48 × 12,481.02
  4. Step 4: Simplify right side
    29,122.29x = 545,214,387.55
  5. Step 5: Solve for x
    x = 545,214,387.55/29,122.29
  6. Step 6: Final answer
    x = 18,721.55

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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.