Home / 50,558.31-75,805.07-20,996.55

Finding the Fourth Proportional to 50,558.31, 75,805.07 and 20,996.55

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Solution

The fourth proportional to 50,558.31, 75,805.07 and 20,996.55 is: 31,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,558.31 : 75,805.07 = 20,996.55 : x
  2. Step 2: Convert to fraction form
    50,558.31/75,805.07 = 20,996.55/x
  3. Step 3: Cross multiply
    50,558.31x = 75,805.07 × 20,996.55
  4. Step 4: Simplify right side
    50,558.31x = 1,591,644,837.53
  5. Step 5: Solve for x
    x = 1,591,644,837.53/50,558.31
  6. Step 6: Final answer
    x = 31,481.37

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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.