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Finding the Fourth Proportional to 33,152.44, 49,728.66 and 12,377.56

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Solution

The fourth proportional to 33,152.44, 49,728.66 and 12,377.56 is: 18,566.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,152.44 : 49,728.66 = 12,377.56 : x
  2. Step 2: Convert to fraction form
    33,152.44/49,728.66 = 12,377.56/x
  3. Step 3: Cross multiply
    33,152.44x = 49,728.66 × 12,377.56
  4. Step 4: Simplify right side
    33,152.44x = 615,519,472.87
  5. Step 5: Solve for x
    x = 615,519,472.87/33,152.44
  6. Step 6: Final answer
    x = 18,566.34

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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.