Home / 33,212.97-45,832.55-18,105.30

Finding the Fourth Proportional to 33,212.97, 45,832.55 and 18,105.30

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Solution

The fourth proportional to 33,212.97, 45,832.55 and 18,105.30 is: 24,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,212.97 : 45,832.55 = 18,105.30 : x
  2. Step 2: Convert to fraction form
    33,212.97/45,832.55 = 18,105.30/x
  3. Step 3: Cross multiply
    33,212.97x = 45,832.55 × 18,105.30
  4. Step 4: Simplify right side
    33,212.97x = 829,811,976.99
  5. Step 5: Solve for x
    x = 829,811,976.99/33,212.97
  6. Step 6: Final answer
    x = 24,984.58

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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.