Home / 50,874.24-76,310.45-20,881.96

Finding the Fourth Proportional to 50,874.24, 76,310.45 and 20,881.96

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Solution

The fourth proportional to 50,874.24, 76,310.45 and 20,881.96 is: 31,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,874.24 : 76,310.45 = 20,881.96 : x
  2. Step 2: Convert to fraction form
    50,874.24/76,310.45 = 20,881.96/x
  3. Step 3: Cross multiply
    50,874.24x = 76,310.45 × 20,881.96
  4. Step 4: Simplify right side
    50,874.24x = 1,593,512,069.48
  5. Step 5: Solve for x
    x = 1,593,512,069.48/50,874.24
  6. Step 6: Final answer
    x = 31,322.57

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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.