Home / 38,187.84-57,369.60-27,121.44

Finding the Fourth Proportional to 38,187.84, 57,369.60 and 27,121.44

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Solution

The fourth proportional to 38,187.84, 57,369.60 and 27,121.44 is: 40,744.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,187.84 : 57,369.60 = 27,121.44 : x
  2. Step 2: Convert to fraction form
    38,187.84/57,369.60 = 27,121.44/x
  3. Step 3: Cross multiply
    38,187.84x = 57,369.60 × 27,121.44
  4. Step 4: Simplify right side
    38,187.84x = 1,555,946,164.22
  5. Step 5: Solve for x
    x = 1,555,946,164.22/38,187.84
  6. Step 6: Final answer
    x = 40,744.54

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1.5x scale

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.