Home / 50,021.28-68,996.62-29,862.40

Finding the Fourth Proportional to 50,021.28, 68,996.62 and 29,862.40

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Solution

The fourth proportional to 50,021.28, 68,996.62 and 29,862.40 is: 41,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,021.28 : 68,996.62 = 29,862.40 : x
  2. Step 2: Convert to fraction form
    50,021.28/68,996.62 = 29,862.40/x
  3. Step 3: Cross multiply
    50,021.28x = 68,996.62 × 29,862.40
  4. Step 4: Simplify right side
    50,021.28x = 2,060,404,665.09
  5. Step 5: Solve for x
    x = 2,060,404,665.09/50,021.28
  6. Step 6: Final answer
    x = 41,190.56

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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.