Home / 47,974.48-71,944.44-20,274.64

Finding the Fourth Proportional to 47,974.48, 71,944.44 and 20,274.64

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Solution

The fourth proportional to 47,974.48, 71,944.44 and 20,274.64 is: 30,404.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,974.48 : 71,944.44 = 20,274.64 : x
  2. Step 2: Convert to fraction form
    47,974.48/71,944.44 = 20,274.64/x
  3. Step 3: Cross multiply
    47,974.48x = 71,944.44 × 20,274.64
  4. Step 4: Simplify right side
    47,974.48x = 1,458,647,621.00
  5. Step 5: Solve for x
    x = 1,458,647,621.00/47,974.48
  6. Step 6: Final answer
    x = 30,404.66

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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.