Home / 50,221.54-75,356.79-20,648.26

Finding the Fourth Proportional to 50,221.54, 75,356.79 and 20,648.26

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Solution

The fourth proportional to 50,221.54, 75,356.79 and 20,648.26 is: 30,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,221.54 : 75,356.79 = 20,648.26 : x
  2. Step 2: Convert to fraction form
    50,221.54/75,356.79 = 20,648.26/x
  3. Step 3: Cross multiply
    50,221.54x = 75,356.79 × 20,648.26
  4. Step 4: Simplify right side
    50,221.54x = 1,555,986,592.69
  5. Step 5: Solve for x
    x = 1,555,986,592.69/50,221.54
  6. Step 6: Final answer
    x = 30,982.45

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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.