Home / 54,858.66-82,290.82-17,421.65

Finding the Fourth Proportional to 54,858.66, 82,290.82 and 17,421.65

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Solution

The fourth proportional to 54,858.66, 82,290.82 and 17,421.65 is: 26,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,858.66 : 82,290.82 = 17,421.65 : x
  2. Step 2: Convert to fraction form
    54,858.66/82,290.82 = 17,421.65/x
  3. Step 3: Cross multiply
    54,858.66x = 82,290.82 × 17,421.65
  4. Step 4: Simplify right side
    54,858.66x = 1,433,641,864.25
  5. Step 5: Solve for x
    x = 1,433,641,864.25/54,858.66
  6. Step 6: Final answer
    x = 26,133.37

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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.