Home / 57,914.82-86,816.75-18,446.36

Finding the Fourth Proportional to 57,914.82, 86,816.75 and 18,446.36

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Solution

The fourth proportional to 57,914.82, 86,816.75 and 18,446.36 is: 27,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,914.82 : 86,816.75 = 18,446.36 : x
  2. Step 2: Convert to fraction form
    57,914.82/86,816.75 = 18,446.36/x
  3. Step 3: Cross multiply
    57,914.82x = 86,816.75 × 18,446.36
  4. Step 4: Simplify right side
    57,914.82x = 1,601,452,498.21
  5. Step 5: Solve for x
    x = 1,601,452,498.21/57,914.82
  6. Step 6: Final answer
    x = 27,651.86

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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.