Home / 33,177.75-45,785.30-18,273.75

Finding the Fourth Proportional to 33,177.75, 45,785.30 and 18,273.75

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Solution

The fourth proportional to 33,177.75, 45,785.30 and 18,273.75 is: 25,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.75 : 45,785.30 = 18,273.75 : x
  2. Step 2: Convert to fraction form
    33,177.75/45,785.30 = 18,273.75/x
  3. Step 3: Cross multiply
    33,177.75x = 45,785.30 × 18,273.75
  4. Step 4: Simplify right side
    33,177.75x = 836,669,034.51
  5. Step 5: Solve for x
    x = 836,669,034.51/33,177.75
  6. Step 6: Final answer
    x = 25,217.78

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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.