Home / 40,711.69-61,016.84-19,647.92

Finding the Fourth Proportional to 40,711.69, 61,016.84 and 19,647.92

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Solution

The fourth proportional to 40,711.69, 61,016.84 and 19,647.92 is: 29,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,711.69 : 61,016.84 = 19,647.92 : x
  2. Step 2: Convert to fraction form
    40,711.69/61,016.84 = 19,647.92/x
  3. Step 3: Cross multiply
    40,711.69x = 61,016.84 × 19,647.92
  4. Step 4: Simplify right side
    40,711.69x = 1,198,853,886.25
  5. Step 5: Solve for x
    x = 1,198,853,886.25/40,711.69
  6. Step 6: Final answer
    x = 29,447.41

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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.