Home / 30,349.44-41,882.25-16,920.42

Finding the Fourth Proportional to 30,349.44, 41,882.25 and 16,920.42

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Solution

The fourth proportional to 30,349.44, 41,882.25 and 16,920.42 is: 23,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,349.44 : 41,882.25 = 16,920.42 : x
  2. Step 2: Convert to fraction form
    30,349.44/41,882.25 = 16,920.42/x
  3. Step 3: Cross multiply
    30,349.44x = 41,882.25 × 16,920.42
  4. Step 4: Simplify right side
    30,349.44x = 708,665,260.55
  5. Step 5: Solve for x
    x = 708,665,260.55/30,349.44
  6. Step 6: Final answer
    x = 23,350.19

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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.