Home / 103,679.27-155,517.06-33,558.65

Finding the Fourth Proportional to 103,679.27, 155,517.06 and 33,558.65

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Solution

The fourth proportional to 103,679.27, 155,517.06 and 33,558.65 is: 50,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.27 : 155,517.06 = 33,558.65 : x
  2. Step 2: Convert to fraction form
    103,679.27/155,517.06 = 33,558.65/x
  3. Step 3: Cross multiply
    103,679.27x = 155,517.06 × 33,558.65
  4. Step 4: Simplify right side
    103,679.27x = 5,218,942,585.57
  5. Step 5: Solve for x
    x = 5,218,942,585.57/103,679.27
  6. Step 6: Final answer
    x = 50,337.38

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1.5x scale

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.