Home / 41,109.35-61,645.80-18,911.30

Finding the Fourth Proportional to 41,109.35, 61,645.80 and 18,911.30

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Solution

The fourth proportional to 41,109.35, 61,645.80 and 18,911.30 is: 28,358.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.35 : 61,645.80 = 18,911.30 : x
  2. Step 2: Convert to fraction form
    41,109.35/61,645.80 = 18,911.30/x
  3. Step 3: Cross multiply
    41,109.35x = 61,645.80 × 18,911.30
  4. Step 4: Simplify right side
    41,109.35x = 1,165,802,217.54
  5. Step 5: Solve for x
    x = 1,165,802,217.54/41,109.35
  6. Step 6: Final answer
    x = 28,358.57

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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.