Home / 36,976.98-51,028.22-20,209.98

Finding the Fourth Proportional to 36,976.98, 51,028.22 and 20,209.98

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Solution

The fourth proportional to 36,976.98, 51,028.22 and 20,209.98 is: 27,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,976.98 : 51,028.22 = 20,209.98 : x
  2. Step 2: Convert to fraction form
    36,976.98/51,028.22 = 20,209.98/x
  3. Step 3: Cross multiply
    36,976.98x = 51,028.22 × 20,209.98
  4. Step 4: Simplify right side
    36,976.98x = 1,031,279,204.59
  5. Step 5: Solve for x
    x = 1,031,279,204.59/36,976.98
  6. Step 6: Final answer
    x = 27,889.76

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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.