Home / 36,079.43-49,789.45-20,163.87

Finding the Fourth Proportional to 36,079.43, 49,789.45 and 20,163.87

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Solution

The fourth proportional to 36,079.43, 49,789.45 and 20,163.87 is: 27,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.43 : 49,789.45 = 20,163.87 : x
  2. Step 2: Convert to fraction form
    36,079.43/49,789.45 = 20,163.87/x
  3. Step 3: Cross multiply
    36,079.43x = 49,789.45 × 20,163.87
  4. Step 4: Simplify right side
    36,079.43x = 1,003,947,997.17
  5. Step 5: Solve for x
    x = 1,003,947,997.17/36,079.43
  6. Step 6: Final answer
    x = 27,826.05

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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.