Home / 33,181.86-49,788.75-20,698.68

Finding the Fourth Proportional to 33,181.86, 49,788.75 and 20,698.68

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Solution

The fourth proportional to 33,181.86, 49,788.75 and 20,698.68 is: 31,057.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,181.86 : 49,788.75 = 20,698.68 : x
  2. Step 2: Convert to fraction form
    33,181.86/49,788.75 = 20,698.68/x
  3. Step 3: Cross multiply
    33,181.86x = 49,788.75 × 20,698.68
  4. Step 4: Simplify right side
    33,181.86x = 1,030,561,403.85
  5. Step 5: Solve for x
    x = 1,030,561,403.85/33,181.86
  6. Step 6: Final answer
    x = 31,057.98

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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.