Home / 36,135.24-49,861.86-20,217.96

Finding the Fourth Proportional to 36,135.24, 49,861.86 and 20,217.96

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Solution

The fourth proportional to 36,135.24, 49,861.86 and 20,217.96 is: 27,898.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,135.24 : 49,861.86 = 20,217.96 : x
  2. Step 2: Convert to fraction form
    36,135.24/49,861.86 = 20,217.96/x
  3. Step 3: Cross multiply
    36,135.24x = 49,861.86 × 20,217.96
  4. Step 4: Simplify right side
    36,135.24x = 1,008,105,091.01
  5. Step 5: Solve for x
    x = 1,008,105,091.01/36,135.24
  6. Step 6: Final answer
    x = 27,898.12

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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.