Home / 30,265.82-41,766.20-16,836.78

Finding the Fourth Proportional to 30,265.82, 41,766.20 and 16,836.78

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Solution

The fourth proportional to 30,265.82, 41,766.20 and 16,836.78 is: 23,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.82 : 41,766.20 = 16,836.78 : x
  2. Step 2: Convert to fraction form
    30,265.82/41,766.20 = 16,836.78/x
  3. Step 3: Cross multiply
    30,265.82x = 41,766.20 × 16,836.78
  4. Step 4: Simplify right side
    30,265.82x = 703,208,299.79
  5. Step 5: Solve for x
    x = 703,208,299.79/30,265.82
  6. Step 6: Final answer
    x = 23,234.41

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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.