Home / 55,174.91-82,755.18-19,634.78

Finding the Fourth Proportional to 55,174.91, 82,755.18 and 19,634.78

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Solution

The fourth proportional to 55,174.91, 82,755.18 and 19,634.78 is: 29,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,174.91 : 82,755.18 = 19,634.78 : x
  2. Step 2: Convert to fraction form
    55,174.91/82,755.18 = 19,634.78/x
  3. Step 3: Cross multiply
    55,174.91x = 82,755.18 × 19,634.78
  4. Step 4: Simplify right side
    55,174.91x = 1,624,879,960.05
  5. Step 5: Solve for x
    x = 1,624,879,960.05/55,174.91
  6. Step 6: Final answer
    x = 29,449.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.