Home / 36,976.97-51,028.21-20,209.97

Finding the Fourth Proportional to 36,976.97, 51,028.21 and 20,209.97

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Solution

The fourth proportional to 36,976.97, 51,028.21 and 20,209.97 is: 27,889.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.97 : 51,028.21 = 20,209.97 : x
  2. Step 2: Convert to fraction form
    36,976.97/51,028.21 = 20,209.97/x
  3. Step 3: Cross multiply
    36,976.97x = 51,028.21 × 20,209.97
  4. Step 4: Simplify right side
    36,976.97x = 1,031,278,593.25
  5. Step 5: Solve for x
    x = 1,031,278,593.25/36,976.97
  6. Step 6: Final answer
    x = 27,889.75

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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.