Home / 50,367.67-75,571.33-20,778.47

Finding the Fourth Proportional to 50,367.67, 75,571.33 and 20,778.47

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Solution

The fourth proportional to 50,367.67, 75,571.33 and 20,778.47 is: 31,175.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,367.67 : 75,571.33 = 20,778.47 : x
  2. Step 2: Convert to fraction form
    50,367.67/75,571.33 = 20,778.47/x
  3. Step 3: Cross multiply
    50,367.67x = 75,571.33 × 20,778.47
  4. Step 4: Simplify right side
    50,367.67x = 1,570,256,930.90
  5. Step 5: Solve for x
    x = 1,570,256,930.90/50,367.67
  6. Step 6: Final answer
    x = 31,175.89

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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.