Home / 30,255.80-41,747.92-16,825.29

Finding the Fourth Proportional to 30,255.80, 41,747.92 and 16,825.29

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Solution

The fourth proportional to 30,255.80, 41,747.92 and 16,825.29 is: 23,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.80 : 41,747.92 = 16,825.29 : x
  2. Step 2: Convert to fraction form
    30,255.80/41,747.92 = 16,825.29/x
  3. Step 3: Cross multiply
    30,255.80x = 41,747.92 × 16,825.29
  4. Step 4: Simplify right side
    30,255.80x = 702,420,860.90
  5. Step 5: Solve for x
    x = 702,420,860.90/30,255.80
  6. Step 6: Final answer
    x = 23,216.07

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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.