Home / 29,270.70-43,874.56-12,638.57

Finding the Fourth Proportional to 29,270.70, 43,874.56 and 12,638.57

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Solution

The fourth proportional to 29,270.70, 43,874.56 and 12,638.57 is: 18,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.70 : 43,874.56 = 12,638.57 : x
  2. Step 2: Convert to fraction form
    29,270.70/43,874.56 = 12,638.57/x
  3. Step 3: Cross multiply
    29,270.70x = 43,874.56 × 12,638.57
  4. Step 4: Simplify right side
    29,270.70x = 554,511,494.20
  5. Step 5: Solve for x
    x = 554,511,494.20/29,270.70
  6. Step 6: Final answer
    x = 18,944.25

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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.