Home / 36,411.75-54,650.17-18,654.50

Finding the Fourth Proportional to 36,411.75, 54,650.17 and 18,654.50

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Solution

The fourth proportional to 36,411.75, 54,650.17 and 18,654.50 is: 27,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,411.75 : 54,650.17 = 18,654.50 : x
  2. Step 2: Convert to fraction form
    36,411.75/54,650.17 = 18,654.50/x
  3. Step 3: Cross multiply
    36,411.75x = 54,650.17 × 18,654.50
  4. Step 4: Simplify right side
    36,411.75x = 1,019,471,502.99
  5. Step 5: Solve for x
    x = 1,019,471,502.99/36,411.75
  6. Step 6: Final answer
    x = 27,998.42

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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.