Home / 38,455.56-57,647.70-19,694.27

Finding the Fourth Proportional to 38,455.56, 57,647.70 and 19,694.27

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Solution

The fourth proportional to 38,455.56, 57,647.70 and 19,694.27 is: 29,523.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.56 : 57,647.70 = 19,694.27 : x
  2. Step 2: Convert to fraction form
    38,455.56/57,647.70 = 19,694.27/x
  3. Step 3: Cross multiply
    38,455.56x = 57,647.70 × 19,694.27
  4. Step 4: Simplify right side
    38,455.56x = 1,135,329,512.80
  5. Step 5: Solve for x
    x = 1,135,329,512.80/38,455.56
  6. Step 6: Final answer
    x = 29,523.16

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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.