Home / 33,187.20-45,790.92-20,273.28

Finding the Fourth Proportional to 33,187.20, 45,790.92 and 20,273.28

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Solution

The fourth proportional to 33,187.20, 45,790.92 and 20,273.28 is: 27,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.20 : 45,790.92 = 20,273.28 : x
  2. Step 2: Convert to fraction form
    33,187.20/45,790.92 = 20,273.28/x
  3. Step 3: Cross multiply
    33,187.20x = 45,790.92 × 20,273.28
  4. Step 4: Simplify right side
    33,187.20x = 928,332,142.62
  5. Step 5: Solve for x
    x = 928,332,142.62/33,187.20
  6. Step 6: Final answer
    x = 27,972.60

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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.