Home / 50,391.12-75,520.44-20,792.49

Finding the Fourth Proportional to 50,391.12, 75,520.44 and 20,792.49

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Solution

The fourth proportional to 50,391.12, 75,520.44 and 20,792.49 is: 31,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,391.12 : 75,520.44 = 20,792.49 : x
  2. Step 2: Convert to fraction form
    50,391.12/75,520.44 = 20,792.49/x
  3. Step 3: Cross multiply
    50,391.12x = 75,520.44 × 20,792.49
  4. Step 4: Simplify right side
    50,391.12x = 1,570,257,993.50
  5. Step 5: Solve for x
    x = 1,570,257,993.50/50,391.12
  6. Step 6: Final answer
    x = 31,161.40

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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.