Home / 33,115.96-45,698.20-18,008.61

Finding the Fourth Proportional to 33,115.96, 45,698.20 and 18,008.61

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Solution

The fourth proportional to 33,115.96, 45,698.20 and 18,008.61 is: 24,850.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,115.96 : 45,698.20 = 18,008.61 : x
  2. Step 2: Convert to fraction form
    33,115.96/45,698.20 = 18,008.61/x
  3. Step 3: Cross multiply
    33,115.96x = 45,698.20 × 18,008.61
  4. Step 4: Simplify right side
    33,115.96x = 822,961,061.50
  5. Step 5: Solve for x
    x = 822,961,061.50/33,115.96
  6. Step 6: Final answer
    x = 24,850.89

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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.