Home / 30,343.42-41,850.18-19,736.44

Finding the Fourth Proportional to 30,343.42, 41,850.18 and 19,736.44

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Solution

The fourth proportional to 30,343.42, 41,850.18 and 19,736.44 is: 27,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.42 : 41,850.18 = 19,736.44 : x
  2. Step 2: Convert to fraction form
    30,343.42/41,850.18 = 19,736.44/x
  3. Step 3: Cross multiply
    30,343.42x = 41,850.18 × 19,736.44
  4. Step 4: Simplify right side
    30,343.42x = 825,973,566.56
  5. Step 5: Solve for x
    x = 825,973,566.56/30,343.42
  6. Step 6: Final answer
    x = 27,220.85

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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.