Home / 29,239.99-40,348.85-16,489.09

Finding the Fourth Proportional to 29,239.99, 40,348.85 and 16,489.09

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Solution

The fourth proportional to 29,239.99, 40,348.85 and 16,489.09 is: 22,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,239.99 : 40,348.85 = 16,489.09 : x
  2. Step 2: Convert to fraction form
    29,239.99/40,348.85 = 16,489.09/x
  3. Step 3: Cross multiply
    29,239.99x = 40,348.85 × 16,489.09
  4. Step 4: Simplify right side
    29,239.99x = 665,315,819.05
  5. Step 5: Solve for x
    x = 665,315,819.05/29,239.99
  6. Step 6: Final answer
    x = 22,753.63

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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.