Home / 45,186.44-67,781.82-21,832.52

Finding the Fourth Proportional to 45,186.44, 67,781.82 and 21,832.52

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Solution

The fourth proportional to 45,186.44, 67,781.82 and 21,832.52 is: 32,749.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.44 : 67,781.82 = 21,832.52 : x
  2. Step 2: Convert to fraction form
    45,186.44/67,781.82 = 21,832.52/x
  3. Step 3: Cross multiply
    45,186.44x = 67,781.82 × 21,832.52
  4. Step 4: Simplify right side
    45,186.44x = 1,479,847,940.79
  5. Step 5: Solve for x
    x = 1,479,847,940.79/45,186.44
  6. Step 6: Final answer
    x = 32,749.82

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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.