Home / 50,481.90-75,716.82-20,896.20

Finding the Fourth Proportional to 50,481.90, 75,716.82 and 20,896.20

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Solution

The fourth proportional to 50,481.90, 75,716.82 and 20,896.20 is: 31,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481.90 : 75,716.82 = 20,896.20 : x
  2. Step 2: Convert to fraction form
    50,481.90/75,716.82 = 20,896.20/x
  3. Step 3: Cross multiply
    50,481.90x = 75,716.82 × 20,896.20
  4. Step 4: Simplify right side
    50,481.90x = 1,582,193,814.08
  5. Step 5: Solve for x
    x = 1,582,193,814.08/50,481.90
  6. Step 6: Final answer
    x = 31,341.80

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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.