Home / 50,991.16-76,456.50-19,403.59

Finding the Fourth Proportional to 50,991.16, 76,456.50 and 19,403.59

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Solution

The fourth proportional to 50,991.16, 76,456.50 and 19,403.59 is: 29,093.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.16 : 76,456.50 = 19,403.59 : x
  2. Step 2: Convert to fraction form
    50,991.16/76,456.50 = 19,403.59/x
  3. Step 3: Cross multiply
    50,991.16x = 76,456.50 × 19,403.59
  4. Step 4: Simplify right side
    50,991.16x = 1,483,530,578.84
  5. Step 5: Solve for x
    x = 1,483,530,578.84/50,991.16
  6. Step 6: Final answer
    x = 29,093.88

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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.