Home / 32,578.88-48,868.85-12,857.27

Finding the Fourth Proportional to 32,578.88, 48,868.85 and 12,857.27

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Solution

The fourth proportional to 32,578.88, 48,868.85 and 12,857.27 is: 19,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,578.88 : 48,868.85 = 12,857.27 : x
  2. Step 2: Convert to fraction form
    32,578.88/48,868.85 = 12,857.27/x
  3. Step 3: Cross multiply
    32,578.88x = 48,868.85 × 12,857.27
  4. Step 4: Simplify right side
    32,578.88x = 628,319,786.84
  5. Step 5: Solve for x
    x = 628,319,786.84/32,578.88
  6. Step 6: Final answer
    x = 19,286.11

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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.