Home / 68,379.75-94,364.18-38,571.75

Finding the Fourth Proportional to 68,379.75, 94,364.18 and 38,571.75

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Solution

The fourth proportional to 68,379.75, 94,364.18 and 38,571.75 is: 53,229.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,379.75 : 94,364.18 = 38,571.75 : x
  2. Step 2: Convert to fraction form
    68,379.75/94,364.18 = 38,571.75/x
  3. Step 3: Cross multiply
    68,379.75x = 94,364.18 × 38,571.75
  4. Step 4: Simplify right side
    68,379.75x = 3,639,791,367.06
  5. Step 5: Solve for x
    x = 3,639,791,367.06/68,379.75
  6. Step 6: Final answer
    x = 53,229.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.