Home / 69,515.80-95,926.98-39,302.60

Finding the Fourth Proportional to 69,515.80, 95,926.98 and 39,302.60

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Solution

The fourth proportional to 69,515.80, 95,926.98 and 39,302.60 is: 54,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.80 : 95,926.98 = 39,302.60 : x
  2. Step 2: Convert to fraction form
    69,515.80/95,926.98 = 39,302.60/x
  3. Step 3: Cross multiply
    69,515.80x = 95,926.98 × 39,302.60
  4. Step 4: Simplify right side
    69,515.80x = 3,770,179,724.15
  5. Step 5: Solve for x
    x = 3,770,179,724.15/69,515.80
  6. Step 6: Final answer
    x = 54,234.86

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1.5x scale

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.