Home / 54,950.22-82,420.74-17,508.78

Finding the Fourth Proportional to 54,950.22, 82,420.74 and 17,508.78

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Solution

The fourth proportional to 54,950.22, 82,420.74 and 17,508.78 is: 26,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,950.22 : 82,420.74 = 17,508.78 : x
  2. Step 2: Convert to fraction form
    54,950.22/82,420.74 = 17,508.78/x
  3. Step 3: Cross multiply
    54,950.22x = 82,420.74 × 17,508.78
  4. Step 4: Simplify right side
    54,950.22x = 1,443,086,604.10
  5. Step 5: Solve for x
    x = 1,443,086,604.10/54,950.22
  6. Step 6: Final answer
    x = 26,261.71

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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.