Home / 36,640.92-54,967.86-11,686.44

Finding the Fourth Proportional to 36,640.92, 54,967.86 and 11,686.44

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Solution

The fourth proportional to 36,640.92, 54,967.86 and 11,686.44 is: 17,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.92 : 54,967.86 = 11,686.44 : x
  2. Step 2: Convert to fraction form
    36,640.92/54,967.86 = 11,686.44/x
  3. Step 3: Cross multiply
    36,640.92x = 54,967.86 × 11,686.44
  4. Step 4: Simplify right side
    36,640.92x = 642,378,597.82
  5. Step 5: Solve for x
    x = 642,378,597.82/36,640.92
  6. Step 6: Final answer
    x = 17,531.73

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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.