Home / 50,440.92-75,616.26-20,839.87

Finding the Fourth Proportional to 50,440.92, 75,616.26 and 20,839.87

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Solution

The fourth proportional to 50,440.92, 75,616.26 and 20,839.87 is: 31,241.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,440.92 : 75,616.26 = 20,839.87 : x
  2. Step 2: Convert to fraction form
    50,440.92/75,616.26 = 20,839.87/x
  3. Step 3: Cross multiply
    50,440.92x = 75,616.26 × 20,839.87
  4. Step 4: Simplify right side
    50,440.92x = 1,575,833,028.29
  5. Step 5: Solve for x
    x = 1,575,833,028.29/50,440.92
  6. Step 6: Final answer
    x = 31,241.16

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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.