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Finding the Fourth Proportional to 36,283.46, 50,072.46 and 21,185.78

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Solution

The fourth proportional to 36,283.46, 50,072.46 and 21,185.78 is: 29,237.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,283.46 : 50,072.46 = 21,185.78 : x
  2. Step 2: Convert to fraction form
    36,283.46/50,072.46 = 21,185.78/x
  3. Step 3: Cross multiply
    36,283.46x = 50,072.46 × 21,185.78
  4. Step 4: Simplify right side
    36,283.46x = 1,060,824,121.62
  5. Step 5: Solve for x
    x = 1,060,824,121.62/36,283.46
  6. Step 6: Final answer
    x = 29,237.13

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1.5x scale

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.