Home / 36,105.80-49,826.07-20,190.51

Finding the Fourth Proportional to 36,105.80, 49,826.07 and 20,190.51

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Solution

The fourth proportional to 36,105.80, 49,826.07 and 20,190.51 is: 27,862.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.80 : 49,826.07 = 20,190.51 : x
  2. Step 2: Convert to fraction form
    36,105.80/49,826.07 = 20,190.51/x
  3. Step 3: Cross multiply
    36,105.80x = 49,826.07 × 20,190.51
  4. Step 4: Simplify right side
    36,105.80x = 1,006,013,764.60
  5. Step 5: Solve for x
    x = 1,006,013,764.60/36,105.80
  6. Step 6: Final answer
    x = 27,862.94

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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.