Home / 30,219.24-41,701.20-16,791.42

Finding the Fourth Proportional to 30,219.24, 41,701.20 and 16,791.42

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Solution

The fourth proportional to 30,219.24, 41,701.20 and 16,791.42 is: 23,171.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.24 : 41,701.20 = 16,791.42 : x
  2. Step 2: Convert to fraction form
    30,219.24/41,701.20 = 16,791.42/x
  3. Step 3: Cross multiply
    30,219.24x = 41,701.20 × 16,791.42
  4. Step 4: Simplify right side
    30,219.24x = 700,222,363.70
  5. Step 5: Solve for x
    x = 700,222,363.70/30,219.24
  6. Step 6: Final answer
    x = 23,171.41

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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.