Home / 33,278.28-49,882.44-13,279.92

Finding the Fourth Proportional to 33,278.28, 49,882.44 and 13,279.92

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Solution

The fourth proportional to 33,278.28, 49,882.44 and 13,279.92 is: 19,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.28 : 49,882.44 = 13,279.92 : x
  2. Step 2: Convert to fraction form
    33,278.28/49,882.44 = 13,279.92/x
  3. Step 3: Cross multiply
    33,278.28x = 49,882.44 × 13,279.92
  4. Step 4: Simplify right side
    33,278.28x = 662,434,812.60
  5. Step 5: Solve for x
    x = 662,434,812.60/33,278.28
  6. Step 6: Final answer
    x = 19,905.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.