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Finding the Fourth Proportional to 50,414, 69,571.32 and 28,063.28

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Solution

The fourth proportional to 50,414, 69,571.32 and 28,063.28 is: 38,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,414 : 69,571.32 = 28,063.28 : x
  2. Step 2: Convert to fraction form
    50,414/69,571.32 = 28,063.28/x
  3. Step 3: Cross multiply
    50,414x = 69,571.32 × 28,063.28
  4. Step 4: Simplify right side
    50,414x = 1,952,399,433.13
  5. Step 5: Solve for x
    x = 1,952,399,433.13/50,414
  6. Step 6: Final answer
    x = 38,727.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.