Home / 37,615.43-51,908.97-20,620.61

Finding the Fourth Proportional to 37,615.43, 51,908.97 and 20,620.61

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Solution

The fourth proportional to 37,615.43, 51,908.97 and 20,620.61 is: 28,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,615.43 : 51,908.97 = 20,620.61 : x
  2. Step 2: Convert to fraction form
    37,615.43/51,908.97 = 20,620.61/x
  3. Step 3: Cross multiply
    37,615.43x = 51,908.97 × 20,620.61
  4. Step 4: Simplify right side
    37,615.43x = 1,070,394,625.87
  5. Step 5: Solve for x
    x = 1,070,394,625.87/37,615.43
  6. Step 6: Final answer
    x = 28,456.26

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1.5x scale

Why These Related Problems?

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