Home / 41,788.28-62,691.66-20,739.80

Finding the Fourth Proportional to 41,788.28, 62,691.66 and 20,739.80

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Solution

The fourth proportional to 41,788.28, 62,691.66 and 20,739.80 is: 31,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,788.28 : 62,691.66 = 20,739.80 : x
  2. Step 2: Convert to fraction form
    41,788.28/62,691.66 = 20,739.80/x
  3. Step 3: Cross multiply
    41,788.28x = 62,691.66 × 20,739.80
  4. Step 4: Simplify right side
    41,788.28x = 1,300,212,490.07
  5. Step 5: Solve for x
    x = 1,300,212,490.07/41,788.28
  6. Step 6: Final answer
    x = 31,114.29

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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.