Home / 57,841.26-86,768.82-20,393.61

Finding the Fourth Proportional to 57,841.26, 86,768.82 and 20,393.61

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Solution

The fourth proportional to 57,841.26, 86,768.82 and 20,393.61 is: 30,592.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,841.26 : 86,768.82 = 20,393.61 : x
  2. Step 2: Convert to fraction form
    57,841.26/86,768.82 = 20,393.61/x
  3. Step 3: Cross multiply
    57,841.26x = 86,768.82 × 20,393.61
  4. Step 4: Simplify right side
    57,841.26x = 1,769,529,475.24
  5. Step 5: Solve for x
    x = 1,769,529,475.24/57,841.26
  6. Step 6: Final answer
    x = 30,592.86

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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.