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Finding the Fourth Proportional to 33,662.72, 50,494.32 and 10,289.16

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Solution

The fourth proportional to 33,662.72, 50,494.32 and 10,289.16 is: 15,433.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,662.72 : 50,494.32 = 10,289.16 : x
  2. Step 2: Convert to fraction form
    33,662.72/50,494.32 = 10,289.16/x
  3. Step 3: Cross multiply
    33,662.72x = 50,494.32 × 10,289.16
  4. Step 4: Simplify right side
    33,662.72x = 519,544,137.57
  5. Step 5: Solve for x
    x = 519,544,137.57/33,662.72
  6. Step 6: Final answer
    x = 15,433.81

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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.