Home / 50,719.26-76,078.89-39,609.30

Finding the Fourth Proportional to 50,719.26, 76,078.89 and 39,609.30

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Solution

The fourth proportional to 50,719.26, 76,078.89 and 39,609.30 is: 59,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,719.26 : 76,078.89 = 39,609.30 : x
  2. Step 2: Convert to fraction form
    50,719.26/76,078.89 = 39,609.30/x
  3. Step 3: Cross multiply
    50,719.26x = 76,078.89 × 39,609.30
  4. Step 4: Simplify right side
    50,719.26x = 3,013,431,577.68
  5. Step 5: Solve for x
    x = 3,013,431,577.68/50,719.26
  6. Step 6: Final answer
    x = 59,413.95

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Similar ratio
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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.