Home / 29,819.21-41,151.58-16,391.48

Finding the Fourth Proportional to 29,819.21, 41,151.58 and 16,391.48

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Solution

The fourth proportional to 29,819.21, 41,151.58 and 16,391.48 is: 22,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.21 : 41,151.58 = 16,391.48 : x
  2. Step 2: Convert to fraction form
    29,819.21/41,151.58 = 16,391.48/x
  3. Step 3: Cross multiply
    29,819.21x = 41,151.58 × 16,391.48
  4. Step 4: Simplify right side
    29,819.21x = 674,535,053.80
  5. Step 5: Solve for x
    x = 674,535,053.80/29,819.21
  6. Step 6: Final answer
    x = 22,620.83

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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.