Home / 50,137.75-69,190.23-27,781.75

Finding the Fourth Proportional to 50,137.75, 69,190.23 and 27,781.75

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Solution

The fourth proportional to 50,137.75, 69,190.23 and 27,781.75 is: 38,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,137.75 : 69,190.23 = 27,781.75 : x
  2. Step 2: Convert to fraction form
    50,137.75/69,190.23 = 27,781.75/x
  3. Step 3: Cross multiply
    50,137.75x = 69,190.23 × 27,781.75
  4. Step 4: Simplify right side
    50,137.75x = 1,922,225,672.30
  5. Step 5: Solve for x
    x = 1,922,225,672.30/50,137.75
  6. Step 6: Final answer
    x = 38,338.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.