Home / 50,517.12-75,797.44-20,956.48

Finding the Fourth Proportional to 50,517.12, 75,797.44 and 20,956.48

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Solution

The fourth proportional to 50,517.12, 75,797.44 and 20,956.48 is: 31,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,517.12 : 75,797.44 = 20,956.48 : x
  2. Step 2: Convert to fraction form
    50,517.12/75,797.44 = 20,956.48/x
  3. Step 3: Cross multiply
    50,517.12x = 75,797.44 × 20,956.48
  4. Step 4: Simplify right side
    50,517.12x = 1,588,447,535.41
  5. Step 5: Solve for x
    x = 1,588,447,535.41/50,517.12
  6. Step 6: Final answer
    x = 31,443.75

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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.