Home / 30,241.25-41,734.31-16,813.88

Finding the Fourth Proportional to 30,241.25, 41,734.31 and 16,813.88

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Solution

The fourth proportional to 30,241.25, 41,734.31 and 16,813.88 is: 23,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,241.25 : 41,734.31 = 16,813.88 : x
  2. Step 2: Convert to fraction form
    30,241.25/41,734.31 = 16,813.88/x
  3. Step 3: Cross multiply
    30,241.25x = 41,734.31 × 16,813.88
  4. Step 4: Simplify right side
    30,241.25x = 701,715,387.48
  5. Step 5: Solve for x
    x = 701,715,387.48/30,241.25
  6. Step 6: Final answer
    x = 23,203.92

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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.