Home / 29,230.20-43,910.10-28,049.40

Finding the Fourth Proportional to 29,230.20, 43,910.10 and 28,049.40

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Solution

The fourth proportional to 29,230.20, 43,910.10 and 28,049.40 is: 42,136.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.20 : 43,910.10 = 28,049.40 : x
  2. Step 2: Convert to fraction form
    29,230.20/43,910.10 = 28,049.40/x
  3. Step 3: Cross multiply
    29,230.20x = 43,910.10 × 28,049.40
  4. Step 4: Simplify right side
    29,230.20x = 1,231,651,958.94
  5. Step 5: Solve for x
    x = 1,231,651,958.94/29,230.20
  6. Step 6: Final answer
    x = 42,136.28

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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.