Home / 33,284.67-45,921.78-21,959.79

Finding the Fourth Proportional to 33,284.67, 45,921.78 and 21,959.79

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Solution

The fourth proportional to 33,284.67, 45,921.78 and 21,959.79 is: 30,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,284.67 : 45,921.78 = 21,959.79 : x
  2. Step 2: Convert to fraction form
    33,284.67/45,921.78 = 21,959.79/x
  3. Step 3: Cross multiply
    33,284.67x = 45,921.78 × 21,959.79
  4. Step 4: Simplify right side
    33,284.67x = 1,008,432,645.23
  5. Step 5: Solve for x
    x = 1,008,432,645.23/33,284.67
  6. Step 6: Final answer
    x = 30,297.21

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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.