Home / 30,241.35-41,717.09-17,969.78

Finding the Fourth Proportional to 30,241.35, 41,717.09 and 17,969.78

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Solution

The fourth proportional to 30,241.35, 41,717.09 and 17,969.78 is: 24,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.35 : 41,717.09 = 17,969.78 : x
  2. Step 2: Convert to fraction form
    30,241.35/41,717.09 = 17,969.78/x
  3. Step 3: Cross multiply
    30,241.35x = 41,717.09 × 17,969.78
  4. Step 4: Simplify right side
    30,241.35x = 749,647,078.76
  5. Step 5: Solve for x
    x = 749,647,078.76/30,241.35
  6. Step 6: Final answer
    x = 24,788.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.