Home / 83,524.32-125,286.48-20,344.05

Finding the Fourth Proportional to 83,524.32, 125,286.48 and 20,344.05

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Solution

The fourth proportional to 83,524.32, 125,286.48 and 20,344.05 is: 30,516.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,524.32 : 125,286.48 = 20,344.05 : x
  2. Step 2: Convert to fraction form
    83,524.32/125,286.48 = 20,344.05/x
  3. Step 3: Cross multiply
    83,524.32x = 125,286.48 × 20,344.05
  4. Step 4: Simplify right side
    83,524.32x = 2,548,834,413.44
  5. Step 5: Solve for x
    x = 2,548,834,413.44/83,524.32
  6. Step 6: Final answer
    x = 30,516.08

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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.