Home / 50,579.72-75,879.35-19,412.54

Finding the Fourth Proportional to 50,579.72, 75,879.35 and 19,412.54

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Solution

The fourth proportional to 50,579.72, 75,879.35 and 19,412.54 is: 29,122.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,579.72 : 75,879.35 = 19,412.54 : x
  2. Step 2: Convert to fraction form
    50,579.72/75,879.35 = 19,412.54/x
  3. Step 3: Cross multiply
    50,579.72x = 75,879.35 × 19,412.54
  4. Step 4: Simplify right side
    50,579.72x = 1,473,010,819.99
  5. Step 5: Solve for x
    x = 1,473,010,819.99/50,579.72
  6. Step 6: Final answer
    x = 29,122.56

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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.