Home / 30,211.22-41,691.46-16,783.73

Finding the Fourth Proportional to 30,211.22, 41,691.46 and 16,783.73

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Solution

The fourth proportional to 30,211.22, 41,691.46 and 16,783.73 is: 23,161.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,211.22 : 41,691.46 = 16,783.73 : x
  2. Step 2: Convert to fraction form
    30,211.22/41,691.46 = 16,783.73/x
  3. Step 3: Cross multiply
    30,211.22x = 41,691.46 × 16,783.73
  4. Step 4: Simplify right side
    30,211.22x = 699,737,915.57
  5. Step 5: Solve for x
    x = 699,737,915.57/30,211.22
  6. Step 6: Final answer
    x = 23,161.53

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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.