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Finding the Fourth Proportional to 33,062.75, 49,594.13 and 8,438.75

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Solution

The fourth proportional to 33,062.75, 49,594.13 and 8,438.75 is: 12,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,062.75 : 49,594.13 = 8,438.75 : x
  2. Step 2: Convert to fraction form
    33,062.75/49,594.13 = 8,438.75/x
  3. Step 3: Cross multiply
    33,062.75x = 49,594.13 × 8,438.75
  4. Step 4: Simplify right side
    33,062.75x = 418,512,464.54
  5. Step 5: Solve for x
    x = 418,512,464.54/33,062.75
  6. Step 6: Final answer
    x = 12,658.13

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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.