Home / 57,879.23-86,845.86-20,467.64

Finding the Fourth Proportional to 57,879.23, 86,845.86 and 20,467.64

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Solution

The fourth proportional to 57,879.23, 86,845.86 and 20,467.64 is: 30,711.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,879.23 : 86,845.86 = 20,467.64 : x
  2. Step 2: Convert to fraction form
    57,879.23/86,845.86 = 20,467.64/x
  3. Step 3: Cross multiply
    57,879.23x = 86,845.86 × 20,467.64
  4. Step 4: Simplify right side
    57,879.23x = 1,777,529,797.97
  5. Step 5: Solve for x
    x = 1,777,529,797.97/57,879.23
  6. Step 6: Final answer
    x = 30,711.01

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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.