Home / 36,921.44-50,951.76-20,154.56

Finding the Fourth Proportional to 36,921.44, 50,951.76 and 20,154.56

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Solution

The fourth proportional to 36,921.44, 50,951.76 and 20,154.56 is: 27,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,921.44 : 50,951.76 = 20,154.56 : x
  2. Step 2: Convert to fraction form
    36,921.44/50,951.76 = 20,154.56/x
  3. Step 3: Cross multiply
    36,921.44x = 50,951.76 × 20,154.56
  4. Step 4: Simplify right side
    36,921.44x = 1,026,910,304.03
  5. Step 5: Solve for x
    x = 1,026,910,304.03/36,921.44
  6. Step 6: Final answer
    x = 27,813.39

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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.