Home / 54,794.20-82,223.70-19,729.30

Finding the Fourth Proportional to 54,794.20, 82,223.70 and 19,729.30

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Solution

The fourth proportional to 54,794.20, 82,223.70 and 19,729.30 is: 29,605.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,794.20 : 82,223.70 = 19,729.30 : x
  2. Step 2: Convert to fraction form
    54,794.20/82,223.70 = 19,729.30/x
  3. Step 3: Cross multiply
    54,794.20x = 82,223.70 × 19,729.30
  4. Step 4: Simplify right side
    54,794.20x = 1,622,216,044.41
  5. Step 5: Solve for x
    x = 1,622,216,044.41/54,794.20
  6. Step 6: Final answer
    x = 29,605.62

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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.