Home / 40,524.48-60,786.09-20,791.65

Finding the Fourth Proportional to 40,524.48, 60,786.09 and 20,791.65

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Solution

The fourth proportional to 40,524.48, 60,786.09 and 20,791.65 is: 31,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,524.48 : 60,786.09 = 20,791.65 : x
  2. Step 2: Convert to fraction form
    40,524.48/60,786.09 = 20,791.65/x
  3. Step 3: Cross multiply
    40,524.48x = 60,786.09 × 20,791.65
  4. Step 4: Simplify right side
    40,524.48x = 1,263,843,108.15
  5. Step 5: Solve for x
    x = 1,263,843,108.15/40,524.48
  6. Step 6: Final answer
    x = 31,187.15

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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.