Home / 53,081.38-79,634.37-18,021.03

Finding the Fourth Proportional to 53,081.38, 79,634.37 and 18,021.03

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Solution

The fourth proportional to 53,081.38, 79,634.37 and 18,021.03 is: 27,035.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.38 : 79,634.37 = 18,021.03 : x
  2. Step 2: Convert to fraction form
    53,081.38/79,634.37 = 18,021.03/x
  3. Step 3: Cross multiply
    53,081.38x = 79,634.37 × 18,021.03
  4. Step 4: Simplify right side
    53,081.38x = 1,435,093,479.78
  5. Step 5: Solve for x
    x = 1,435,093,479.78/53,081.38
  6. Step 6: Final answer
    x = 27,035.73

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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.