Home / 50,372.57-75,503.43-20,774.22

Finding the Fourth Proportional to 50,372.57, 75,503.43 and 20,774.22

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Solution

The fourth proportional to 50,372.57, 75,503.43 and 20,774.22 is: 31,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,372.57 : 75,503.43 = 20,774.22 : x
  2. Step 2: Convert to fraction form
    50,372.57/75,503.43 = 20,774.22/x
  3. Step 3: Cross multiply
    50,372.57x = 75,503.43 × 20,774.22
  4. Step 4: Simplify right side
    50,372.57x = 1,568,524,865.57
  5. Step 5: Solve for x
    x = 1,568,524,865.57/50,372.57
  6. Step 6: Final answer
    x = 31,138.48

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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.