Home / 50,954.31-76,436.32-19,791.99

Finding the Fourth Proportional to 50,954.31, 76,436.32 and 19,791.99

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Solution

The fourth proportional to 50,954.31, 76,436.32 and 19,791.99 is: 29,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,954.31 : 76,436.32 = 19,791.99 : x
  2. Step 2: Convert to fraction form
    50,954.31/76,436.32 = 19,791.99/x
  3. Step 3: Cross multiply
    50,954.31x = 76,436.32 × 19,791.99
  4. Step 4: Simplify right side
    50,954.31x = 1,512,826,449.42
  5. Step 5: Solve for x
    x = 1,512,826,449.42/50,954.31
  6. Step 6: Final answer
    x = 29,689.87

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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.