Home / 50,647.82-75,971.77-13,207.80

Finding the Fourth Proportional to 50,647.82, 75,971.77 and 13,207.80

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Solution

The fourth proportional to 50,647.82, 75,971.77 and 13,207.80 is: 19,811.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,647.82 : 75,971.77 = 13,207.80 : x
  2. Step 2: Convert to fraction form
    50,647.82/75,971.77 = 13,207.80/x
  3. Step 3: Cross multiply
    50,647.82x = 75,971.77 × 13,207.80
  4. Step 4: Simplify right side
    50,647.82x = 1,003,419,910.79
  5. Step 5: Solve for x
    x = 1,003,419,910.79/50,647.82
  6. Step 6: Final answer
    x = 19,811.71

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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.