Home / 57,841.56-86,768.46-18,389.43

Finding the Fourth Proportional to 57,841.56, 86,768.46 and 18,389.43

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Solution

The fourth proportional to 57,841.56, 86,768.46 and 18,389.43 is: 27,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,841.56 : 86,768.46 = 18,389.43 : x
  2. Step 2: Convert to fraction form
    57,841.56/86,768.46 = 18,389.43/x
  3. Step 3: Cross multiply
    57,841.56x = 86,768.46 × 18,389.43
  4. Step 4: Simplify right side
    57,841.56x = 1,595,622,521.38
  5. Step 5: Solve for x
    x = 1,595,622,521.38/57,841.56
  6. Step 6: Final answer
    x = 27,586.09

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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.