Home / 36,668.88-55,003.32-19,134.61

Finding the Fourth Proportional to 36,668.88, 55,003.32 and 19,134.61

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Solution

The fourth proportional to 36,668.88, 55,003.32 and 19,134.61 is: 28,701.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,668.88 : 55,003.32 = 19,134.61 : x
  2. Step 2: Convert to fraction form
    36,668.88/55,003.32 = 19,134.61/x
  3. Step 3: Cross multiply
    36,668.88x = 55,003.32 × 19,134.61
  4. Step 4: Simplify right side
    36,668.88x = 1,052,466,939.40
  5. Step 5: Solve for x
    x = 1,052,466,939.40/36,668.88
  6. Step 6: Final answer
    x = 28,701.91

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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.