Home / 33,199.08-45,809.38-19,769.92

Finding the Fourth Proportional to 33,199.08, 45,809.38 and 19,769.92

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Solution

The fourth proportional to 33,199.08, 45,809.38 and 19,769.92 is: 27,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199.08 : 45,809.38 = 19,769.92 : x
  2. Step 2: Convert to fraction form
    33,199.08/45,809.38 = 19,769.92/x
  3. Step 3: Cross multiply
    33,199.08x = 45,809.38 × 19,769.92
  4. Step 4: Simplify right side
    33,199.08x = 905,647,777.85
  5. Step 5: Solve for x
    x = 905,647,777.85/33,199.08
  6. Step 6: Final answer
    x = 27,279.30

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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.