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Finding the Fourth Proportional to 33,685, 50,527.29 and 8,724.99

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Solution

The fourth proportional to 33,685, 50,527.29 and 8,724.99 is: 13,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,685 : 50,527.29 = 8,724.99 : x
  2. Step 2: Convert to fraction form
    33,685/50,527.29 = 8,724.99/x
  3. Step 3: Cross multiply
    33,685x = 50,527.29 × 8,724.99
  4. Step 4: Simplify right side
    33,685x = 440,850,099.98
  5. Step 5: Solve for x
    x = 440,850,099.98/33,685
  6. Step 6: Final answer
    x = 13,087.43

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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.