Home / 54,777.30-82,175.03-19,229.40

Finding the Fourth Proportional to 54,777.30, 82,175.03 and 19,229.40

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Solution

The fourth proportional to 54,777.30, 82,175.03 and 19,229.40 is: 28,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,777.30 : 82,175.03 = 19,229.40 : x
  2. Step 2: Convert to fraction form
    54,777.30/82,175.03 = 19,229.40/x
  3. Step 3: Cross multiply
    54,777.30x = 82,175.03 × 19,229.40
  4. Step 4: Simplify right side
    54,777.30x = 1,580,176,521.88
  5. Step 5: Solve for x
    x = 1,580,176,521.88/54,777.30
  6. Step 6: Final answer
    x = 28,847.29

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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.