Home / 50,131.92-75,132.36-20,533.62

Finding the Fourth Proportional to 50,131.92, 75,132.36 and 20,533.62

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Solution

The fourth proportional to 50,131.92, 75,132.36 and 20,533.62 is: 30,773.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,131.92 : 75,132.36 = 20,533.62 : x
  2. Step 2: Convert to fraction form
    50,131.92/75,132.36 = 20,533.62/x
  3. Step 3: Cross multiply
    50,131.92x = 75,132.36 × 20,533.62
  4. Step 4: Simplify right side
    50,131.92x = 1,542,739,329.94
  5. Step 5: Solve for x
    x = 1,542,739,329.94/50,131.92
  6. Step 6: Final answer
    x = 30,773.59

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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.