Home / 36,077.11-49,786.27-20,161.56

Finding the Fourth Proportional to 36,077.11, 49,786.27 and 20,161.56

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Solution

The fourth proportional to 36,077.11, 49,786.27 and 20,161.56 is: 27,822.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,077.11 : 49,786.27 = 20,161.56 : x
  2. Step 2: Convert to fraction form
    36,077.11/49,786.27 = 20,161.56/x
  3. Step 3: Cross multiply
    36,077.11x = 49,786.27 × 20,161.56
  4. Step 4: Simplify right side
    36,077.11x = 1,003,768,869.78
  5. Step 5: Solve for x
    x = 1,003,768,869.78/36,077.11
  6. Step 6: Final answer
    x = 27,822.87

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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.