Home / 36,243.86-54,379.62-14,072.79

Finding the Fourth Proportional to 36,243.86, 54,379.62 and 14,072.79

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Solution

The fourth proportional to 36,243.86, 54,379.62 and 14,072.79 is: 21,114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.86 : 54,379.62 = 14,072.79 : x
  2. Step 2: Convert to fraction form
    36,243.86/54,379.62 = 14,072.79/x
  3. Step 3: Cross multiply
    36,243.86x = 54,379.62 × 14,072.79
  4. Step 4: Simplify right side
    36,243.86x = 765,272,972.54
  5. Step 5: Solve for x
    x = 765,272,972.54/36,243.86
  6. Step 6: Final answer
    x = 21,114.56

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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.