Home / 50,813.52-76,183.36-21,239.80

Finding the Fourth Proportional to 50,813.52, 76,183.36 and 21,239.80

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Solution

The fourth proportional to 50,813.52, 76,183.36 and 21,239.80 is: 31,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,813.52 : 76,183.36 = 21,239.80 : x
  2. Step 2: Convert to fraction form
    50,813.52/76,183.36 = 21,239.80/x
  3. Step 3: Cross multiply
    50,813.52x = 76,183.36 × 21,239.80
  4. Step 4: Simplify right side
    50,813.52x = 1,618,119,329.73
  5. Step 5: Solve for x
    x = 1,618,119,329.73/50,813.52
  6. Step 6: Final answer
    x = 31,844.27

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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.