Home / 36,105.24-49,829.87-20,190.56

Finding the Fourth Proportional to 36,105.24, 49,829.87 and 20,190.56

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Solution

The fourth proportional to 36,105.24, 49,829.87 and 20,190.56 is: 27,865.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.24 : 49,829.87 = 20,190.56 : x
  2. Step 2: Convert to fraction form
    36,105.24/49,829.87 = 20,190.56/x
  3. Step 3: Cross multiply
    36,105.24x = 49,829.87 × 20,190.56
  4. Step 4: Simplify right side
    36,105.24x = 1,006,092,980.03
  5. Step 5: Solve for x
    x = 1,006,092,980.03/36,105.24
  6. Step 6: Final answer
    x = 27,865.57

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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.