Home / 58,286.35-87,408.11-20,836.27

Finding the Fourth Proportional to 58,286.35, 87,408.11 and 20,836.27

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Solution

The fourth proportional to 58,286.35, 87,408.11 and 20,836.27 is: 31,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,286.35 : 87,408.11 = 20,836.27 : x
  2. Step 2: Convert to fraction form
    58,286.35/87,408.11 = 20,836.27/x
  3. Step 3: Cross multiply
    58,286.35x = 87,408.11 × 20,836.27
  4. Step 4: Simplify right side
    58,286.35x = 1,821,259,141.50
  5. Step 5: Solve for x
    x = 1,821,259,141.50/58,286.35
  6. Step 6: Final answer
    x = 31,246.75

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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.