Home / 30,217.97-45,311.38-13,563.73

Finding the Fourth Proportional to 30,217.97, 45,311.38 and 13,563.73

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Solution

The fourth proportional to 30,217.97, 45,311.38 and 13,563.73 is: 20,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.97 : 45,311.38 = 13,563.73 : x
  2. Step 2: Convert to fraction form
    30,217.97/45,311.38 = 13,563.73/x
  3. Step 3: Cross multiply
    30,217.97x = 45,311.38 × 13,563.73
  4. Step 4: Simplify right side
    30,217.97x = 614,591,324.25
  5. Step 5: Solve for x
    x = 614,591,324.25/30,217.97
  6. Step 6: Final answer
    x = 20,338.60

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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.