Home / 54,755.96-82,170.30-19,695.56

Finding the Fourth Proportional to 54,755.96, 82,170.30 and 19,695.56

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Solution

The fourth proportional to 54,755.96, 82,170.30 and 19,695.56 is: 29,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,755.96 : 82,170.30 = 19,695.56 : x
  2. Step 2: Convert to fraction form
    54,755.96/82,170.30 = 19,695.56/x
  3. Step 3: Cross multiply
    54,755.96x = 82,170.30 × 19,695.56
  4. Step 4: Simplify right side
    54,755.96x = 1,618,390,073.87
  5. Step 5: Solve for x
    x = 1,618,390,073.87/54,755.96
  6. Step 6: Final answer
    x = 29,556.42

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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.