Home / 33,133.92-45,723.12-19,704.96

Finding the Fourth Proportional to 33,133.92, 45,723.12 and 19,704.96

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Solution

The fourth proportional to 33,133.92, 45,723.12 and 19,704.96 is: 27,191.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,133.92 : 45,723.12 = 19,704.96 : x
  2. Step 2: Convert to fraction form
    33,133.92/45,723.12 = 19,704.96/x
  3. Step 3: Cross multiply
    33,133.92x = 45,723.12 × 19,704.96
  4. Step 4: Simplify right side
    33,133.92x = 900,972,250.68
  5. Step 5: Solve for x
    x = 900,972,250.68/33,133.92
  6. Step 6: Final answer
    x = 27,191.84

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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.