Home / 33,378.44-46,112.30-21,920.53

Finding the Fourth Proportional to 33,378.44, 46,112.30 and 21,920.53

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Solution

The fourth proportional to 33,378.44, 46,112.30 and 21,920.53 is: 30,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,378.44 : 46,112.30 = 21,920.53 : x
  2. Step 2: Convert to fraction form
    33,378.44/46,112.30 = 21,920.53/x
  3. Step 3: Cross multiply
    33,378.44x = 46,112.30 × 21,920.53
  4. Step 4: Simplify right side
    33,378.44x = 1,010,806,122.60
  5. Step 5: Solve for x
    x = 1,010,806,122.60/33,378.44
  6. Step 6: Final answer
    x = 30,283.21

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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.