Home / 41,140.31-61,676.44-18,934.97

Finding the Fourth Proportional to 41,140.31, 61,676.44 and 18,934.97

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Solution

The fourth proportional to 41,140.31, 61,676.44 and 18,934.97 is: 28,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,140.31 : 61,676.44 = 18,934.97 : x
  2. Step 2: Convert to fraction form
    41,140.31/61,676.44 = 18,934.97/x
  3. Step 3: Cross multiply
    41,140.31x = 61,676.44 × 18,934.97
  4. Step 4: Simplify right side
    41,140.31x = 1,167,841,185.39
  5. Step 5: Solve for x
    x = 1,167,841,185.39/41,140.31
  6. Step 6: Final answer
    x = 28,386.79

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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.