Home / 33,217.11-45,839.86-18,109.90

Finding the Fourth Proportional to 33,217.11, 45,839.86 and 18,109.90

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Solution

The fourth proportional to 33,217.11, 45,839.86 and 18,109.90 is: 24,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,217.11 : 45,839.86 = 18,109.90 : x
  2. Step 2: Convert to fraction form
    33,217.11/45,839.86 = 18,109.90/x
  3. Step 3: Cross multiply
    33,217.11x = 45,839.86 × 18,109.90
  4. Step 4: Simplify right side
    33,217.11x = 830,155,207.88
  5. Step 5: Solve for x
    x = 830,155,207.88/33,217.11
  6. Step 6: Final answer
    x = 24,991.79

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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.