Home / 38,622.21-57,930.44-11,968.41

Finding the Fourth Proportional to 38,622.21, 57,930.44 and 11,968.41

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Solution

The fourth proportional to 38,622.21, 57,930.44 and 11,968.41 is: 17,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.21 : 57,930.44 = 11,968.41 : x
  2. Step 2: Convert to fraction form
    38,622.21/57,930.44 = 11,968.41/x
  3. Step 3: Cross multiply
    38,622.21x = 57,930.44 × 11,968.41
  4. Step 4: Simplify right side
    38,622.21x = 693,335,257.40
  5. Step 5: Solve for x
    x = 693,335,257.40/38,622.21
  6. Step 6: Final answer
    x = 17,951.72

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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.