Home / 57,917.82-86,821.24-18,449.36

Finding the Fourth Proportional to 57,917.82, 86,821.24 and 18,449.36

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Solution

The fourth proportional to 57,917.82, 86,821.24 and 18,449.36 is: 27,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,917.82 : 86,821.24 = 18,449.36 : x
  2. Step 2: Convert to fraction form
    57,917.82/86,821.24 = 18,449.36/x
  3. Step 3: Cross multiply
    57,917.82x = 86,821.24 × 18,449.36
  4. Step 4: Simplify right side
    57,917.82x = 1,601,796,312.41
  5. Step 5: Solve for x
    x = 1,601,796,312.41/57,917.82
  6. Step 6: Final answer
    x = 27,656.36

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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.