Home / 33,249.58-45,890.36-19,821.72

Finding the Fourth Proportional to 33,249.58, 45,890.36 and 19,821.72

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Solution

The fourth proportional to 33,249.58, 45,890.36 and 19,821.72 is: 27,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,249.58 : 45,890.36 = 19,821.72 : x
  2. Step 2: Convert to fraction form
    33,249.58/45,890.36 = 19,821.72/x
  3. Step 3: Cross multiply
    33,249.58x = 45,890.36 × 19,821.72
  4. Step 4: Simplify right side
    33,249.58x = 909,625,866.62
  5. Step 5: Solve for x
    x = 909,625,866.62/33,249.58
  6. Step 6: Final answer
    x = 27,357.51

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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.