Home / 50,313.96-75,405.82-20,698.28

Finding the Fourth Proportional to 50,313.96, 75,405.82 and 20,698.28

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Solution

The fourth proportional to 50,313.96, 75,405.82 and 20,698.28 is: 31,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,313.96 : 75,405.82 = 20,698.28 : x
  2. Step 2: Convert to fraction form
    50,313.96/75,405.82 = 20,698.28/x
  3. Step 3: Cross multiply
    50,313.96x = 75,405.82 × 20,698.28
  4. Step 4: Simplify right side
    50,313.96x = 1,560,770,775.99
  5. Step 5: Solve for x
    x = 1,560,770,775.99/50,313.96
  6. Step 6: Final answer
    x = 31,020.63

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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.