Home / 54,898.36-82,359.11-21,165.23

Finding the Fourth Proportional to 54,898.36, 82,359.11 and 21,165.23

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Solution

The fourth proportional to 54,898.36, 82,359.11 and 21,165.23 is: 31,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,898.36 : 82,359.11 = 21,165.23 : x
  2. Step 2: Convert to fraction form
    54,898.36/82,359.11 = 21,165.23/x
  3. Step 3: Cross multiply
    54,898.36x = 82,359.11 × 21,165.23
  4. Step 4: Simplify right side
    54,898.36x = 1,743,149,764.56
  5. Step 5: Solve for x
    x = 1,743,149,764.56/54,898.36
  6. Step 6: Final answer
    x = 31,752.31

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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.