Home / 29,169.45-40,170.33-27,769.77

Finding the Fourth Proportional to 29,169.45, 40,170.33 and 27,769.77

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Solution

The fourth proportional to 29,169.45, 40,170.33 and 27,769.77 is: 38,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,169.45 : 40,170.33 = 27,769.77 : x
  2. Step 2: Convert to fraction form
    29,169.45/40,170.33 = 27,769.77/x
  3. Step 3: Cross multiply
    29,169.45x = 40,170.33 × 27,769.77
  4. Step 4: Simplify right side
    29,169.45x = 1,115,520,824.92
  5. Step 5: Solve for x
    x = 1,115,520,824.92/29,169.45
  6. Step 6: Final answer
    x = 38,242.78

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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.