Home / 32,136.32-48,198-8,759.72

Finding the Fourth Proportional to 32,136.32, 48,198 and 8,759.72

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Solution

The fourth proportional to 32,136.32, 48,198 and 8,759.72 is: 13,137.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,136.32 : 48,198 = 8,759.72 : x
  2. Step 2: Convert to fraction form
    32,136.32/48,198 = 8,759.72/x
  3. Step 3: Cross multiply
    32,136.32x = 48,198 × 8,759.72
  4. Step 4: Simplify right side
    32,136.32x = 422,200,984.56
  5. Step 5: Solve for x
    x = 422,200,984.56/32,136.32
  6. Step 6: Final answer
    x = 13,137.81

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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.