Home / 36,640.83-54,811.33-27,689.61

Finding the Fourth Proportional to 36,640.83, 54,811.33 and 27,689.61

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Solution

The fourth proportional to 36,640.83, 54,811.33 and 27,689.61 is: 41,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.83 : 54,811.33 = 27,689.61 : x
  2. Step 2: Convert to fraction form
    36,640.83/54,811.33 = 27,689.61/x
  3. Step 3: Cross multiply
    36,640.83x = 54,811.33 × 27,689.61
  4. Step 4: Simplify right side
    36,640.83x = 1,517,704,282.06
  5. Step 5: Solve for x
    x = 1,517,704,282.06/36,640.83
  6. Step 6: Final answer
    x = 41,421.12

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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.