Home / 31,766.25-47,608.35-15,131.39

Finding the Fourth Proportional to 31,766.25, 47,608.35 and 15,131.39

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Solution

The fourth proportional to 31,766.25, 47,608.35 and 15,131.39 is: 22,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.25 : 47,608.35 = 15,131.39 : x
  2. Step 2: Convert to fraction form
    31,766.25/47,608.35 = 15,131.39/x
  3. Step 3: Cross multiply
    31,766.25x = 47,608.35 × 15,131.39
  4. Step 4: Simplify right side
    31,766.25x = 720,380,273.06
  5. Step 5: Solve for x
    x = 720,380,273.06/31,766.25
  6. Step 6: Final answer
    x = 22,677.54

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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.