Home / 33,187.38-45,765.99-28,165.38

Finding the Fourth Proportional to 33,187.38, 45,765.99 and 28,165.38

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Solution

The fourth proportional to 33,187.38, 45,765.99 and 28,165.38 is: 38,840.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.38 : 45,765.99 = 28,165.38 : x
  2. Step 2: Convert to fraction form
    33,187.38/45,765.99 = 28,165.38/x
  3. Step 3: Cross multiply
    33,187.38x = 45,765.99 × 28,165.38
  4. Step 4: Simplify right side
    33,187.38x = 1,289,016,499.43
  5. Step 5: Solve for x
    x = 1,289,016,499.43/33,187.38
  6. Step 6: Final answer
    x = 38,840.56

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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.