Home / 33,145.45-49,716.96-8,185.30

Finding the Fourth Proportional to 33,145.45, 49,716.96 and 8,185.30

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Solution

The fourth proportional to 33,145.45, 49,716.96 and 8,185.30 is: 12,277.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.45 : 49,716.96 = 8,185.30 : x
  2. Step 2: Convert to fraction form
    33,145.45/49,716.96 = 8,185.30/x
  3. Step 3: Cross multiply
    33,145.45x = 49,716.96 × 8,185.30
  4. Step 4: Simplify right side
    33,145.45x = 406,948,232.69
  5. Step 5: Solve for x
    x = 406,948,232.69/33,145.45
  6. Step 6: Final answer
    x = 12,277.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.