Home / 54,879.30-82,338.66-21,580.92

Finding the Fourth Proportional to 54,879.30, 82,338.66 and 21,580.92

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Solution

The fourth proportional to 54,879.30, 82,338.66 and 21,580.92 is: 32,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,879.30 : 82,338.66 = 21,580.92 : x
  2. Step 2: Convert to fraction form
    54,879.30/82,338.66 = 21,580.92/x
  3. Step 3: Cross multiply
    54,879.30x = 82,338.66 × 21,580.92
  4. Step 4: Simplify right side
    54,879.30x = 1,776,944,034.37
  5. Step 5: Solve for x
    x = 1,776,944,034.37/54,879.30
  6. Step 6: Final answer
    x = 32,379.13

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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.