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Finding the Fourth Proportional to 33,297.25, 45,950.22 and 18,394.21

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Solution

The fourth proportional to 33,297.25, 45,950.22 and 18,394.21 is: 25,384.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,297.25 : 45,950.22 = 18,394.21 : x
  2. Step 2: Convert to fraction form
    33,297.25/45,950.22 = 18,394.21/x
  3. Step 3: Cross multiply
    33,297.25x = 45,950.22 × 18,394.21
  4. Step 4: Simplify right side
    33,297.25x = 845,217,996.23
  5. Step 5: Solve for x
    x = 845,217,996.23/33,297.25
  6. Step 6: Final answer
    x = 25,384.02

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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.