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Finding the Fourth Proportional to 33,154.74, 49,731.63 and 8,194.79

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Solution

The fourth proportional to 33,154.74, 49,731.63 and 8,194.79 is: 12,292.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.74 : 49,731.63 = 8,194.79 : x
  2. Step 2: Convert to fraction form
    33,154.74/49,731.63 = 8,194.79/x
  3. Step 3: Cross multiply
    33,154.74x = 49,731.63 × 8,194.79
  4. Step 4: Simplify right side
    33,154.74x = 407,540,347.56
  5. Step 5: Solve for x
    x = 407,540,347.56/33,154.74
  6. Step 6: Final answer
    x = 12,292.07

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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.