Home / 33,424.14-46,120.92-19,990.49

Finding the Fourth Proportional to 33,424.14, 46,120.92 and 19,990.49

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Solution

The fourth proportional to 33,424.14, 46,120.92 and 19,990.49 is: 27,584.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,424.14 : 46,120.92 = 19,990.49 : x
  2. Step 2: Convert to fraction form
    33,424.14/46,120.92 = 19,990.49/x
  3. Step 3: Cross multiply
    33,424.14x = 46,120.92 × 19,990.49
  4. Step 4: Simplify right side
    33,424.14x = 921,979,790.05
  5. Step 5: Solve for x
    x = 921,979,790.05/33,424.14
  6. Step 6: Final answer
    x = 27,584.25

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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.