Home / 29,911.38-41,229.58-20,217.80

Finding the Fourth Proportional to 29,911.38, 41,229.58 and 20,217.80

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Solution

The fourth proportional to 29,911.38, 41,229.58 and 20,217.80 is: 27,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.38 : 41,229.58 = 20,217.80 : x
  2. Step 2: Convert to fraction form
    29,911.38/41,229.58 = 20,217.80/x
  3. Step 3: Cross multiply
    29,911.38x = 41,229.58 × 20,217.80
  4. Step 4: Simplify right side
    29,911.38x = 833,571,402.52
  5. Step 5: Solve for x
    x = 833,571,402.52/29,911.38
  6. Step 6: Final answer
    x = 27,868.04

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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.