Home / 54,979.10-82,493.26-31,605.54

Finding the Fourth Proportional to 54,979.10, 82,493.26 and 31,605.54

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Solution

The fourth proportional to 54,979.10, 82,493.26 and 31,605.54 is: 47,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,979.10 : 82,493.26 = 31,605.54 : x
  2. Step 2: Convert to fraction form
    54,979.10/82,493.26 = 31,605.54/x
  3. Step 3: Cross multiply
    54,979.10x = 82,493.26 × 31,605.54
  4. Step 4: Simplify right side
    54,979.10x = 2,607,243,640.30
  5. Step 5: Solve for x
    x = 2,607,243,640.30/54,979.10
  6. Step 6: Final answer
    x = 47,422.45

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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.