Home / 32,768.27-49,072.79-18,685.80

Finding the Fourth Proportional to 32,768.27, 49,072.79 and 18,685.80

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Solution

The fourth proportional to 32,768.27, 49,072.79 and 18,685.80 is: 27,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,768.27 : 49,072.79 = 18,685.80 : x
  2. Step 2: Convert to fraction form
    32,768.27/49,072.79 = 18,685.80/x
  3. Step 3: Cross multiply
    32,768.27x = 49,072.79 × 18,685.80
  4. Step 4: Simplify right side
    32,768.27x = 916,964,245.95
  5. Step 5: Solve for x
    x = 916,964,245.95/32,768.27
  6. Step 6: Final answer
    x = 27,983.30

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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.