Home / 33,151.45-45,749.97-18,045.09

Finding the Fourth Proportional to 33,151.45, 45,749.97 and 18,045.09

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Solution

The fourth proportional to 33,151.45, 45,749.97 and 18,045.09 is: 24,902.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,151.45 : 45,749.97 = 18,045.09 : x
  2. Step 2: Convert to fraction form
    33,151.45/45,749.97 = 18,045.09/x
  3. Step 3: Cross multiply
    33,151.45x = 45,749.97 × 18,045.09
  4. Step 4: Simplify right side
    33,151.45x = 825,562,326.15
  5. Step 5: Solve for x
    x = 825,562,326.15/33,151.45
  6. Step 6: Final answer
    x = 24,902.75

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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.