Home / 32,939.75-49,409.75-7,979.75

Finding the Fourth Proportional to 32,939.75, 49,409.75 and 7,979.75

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Solution

The fourth proportional to 32,939.75, 49,409.75 and 7,979.75 is: 11,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.75 : 49,409.75 = 7,979.75 : x
  2. Step 2: Convert to fraction form
    32,939.75/49,409.75 = 7,979.75/x
  3. Step 3: Cross multiply
    32,939.75x = 49,409.75 × 7,979.75
  4. Step 4: Simplify right side
    32,939.75x = 394,277,452.56
  5. Step 5: Solve for x
    x = 394,277,452.56/32,939.75
  6. Step 6: Final answer
    x = 11,969.66

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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.