Home / 33,189.44-45,786.44-21,855.92

Finding the Fourth Proportional to 33,189.44, 45,786.44 and 21,855.92

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Solution

The fourth proportional to 33,189.44, 45,786.44 and 21,855.92 is: 30,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,189.44 : 45,786.44 = 21,855.92 : x
  2. Step 2: Convert to fraction form
    33,189.44/45,786.44 = 21,855.92/x
  3. Step 3: Cross multiply
    33,189.44x = 45,786.44 × 21,855.92
  4. Step 4: Simplify right side
    33,189.44x = 1,000,704,769.72
  5. Step 5: Solve for x
    x = 1,000,704,769.72/33,189.44
  6. Step 6: Final answer
    x = 30,151.30

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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.