Home / 30,251.22-41,749.38-16,825.20

Finding the Fourth Proportional to 30,251.22, 41,749.38 and 16,825.20

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Solution

The fourth proportional to 30,251.22, 41,749.38 and 16,825.20 is: 23,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,251.22 : 41,749.38 = 16,825.20 : x
  2. Step 2: Convert to fraction form
    30,251.22/41,749.38 = 16,825.20/x
  3. Step 3: Cross multiply
    30,251.22x = 41,749.38 × 16,825.20
  4. Step 4: Simplify right side
    30,251.22x = 702,441,668.38
  5. Step 5: Solve for x
    x = 702,441,668.38/30,251.22
  6. Step 6: Final answer
    x = 23,220.28

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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.