Home / 34,540.25-51,755.00-31,218.75

Finding the Fourth Proportional to 34,540.25, 51,755.00 and 31,218.75

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Solution

The fourth proportional to 34,540.25, 51,755.00 and 31,218.75 is: 46,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,540.25 : 51,755.00 = 31,218.75 : x
  2. Step 2: Convert to fraction form
    34,540.25/51,755.00 = 31,218.75/x
  3. Step 3: Cross multiply
    34,540.25x = 51,755.00 × 31,218.75
  4. Step 4: Simplify right side
    34,540.25x = 1,615,726,250.16
  5. Step 5: Solve for x
    x = 1,615,726,250.16/34,540.25
  6. Step 6: Final answer
    x = 46,778.08

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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.