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Finding the Fourth Proportional to 33,674.68, 50,506.57 and 15,905.31

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Solution

The fourth proportional to 33,674.68, 50,506.57 and 15,905.31 is: 23,855.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,674.68 : 50,506.57 = 15,905.31 : x
  2. Step 2: Convert to fraction form
    33,674.68/50,506.57 = 15,905.31/x
  3. Step 3: Cross multiply
    33,674.68x = 50,506.57 × 15,905.31
  4. Step 4: Simplify right side
    33,674.68x = 803,322,652.89
  5. Step 5: Solve for x
    x = 803,322,652.89/33,674.68
  6. Step 6: Final answer
    x = 23,855.39

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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.