Home / 33,424.32-46,121.18-19,990.68

Finding the Fourth Proportional to 33,424.32, 46,121.18 and 19,990.68

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Solution

The fourth proportional to 33,424.32, 46,121.18 and 19,990.68 is: 27,584.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,424.32 : 46,121.18 = 19,990.68 : x
  2. Step 2: Convert to fraction form
    33,424.32/46,121.18 = 19,990.68/x
  3. Step 3: Cross multiply
    33,424.32x = 46,121.18 × 19,990.68
  4. Step 4: Simplify right side
    33,424.32x = 921,993,750.60
  5. Step 5: Solve for x
    x = 921,993,750.60/33,424.32
  6. Step 6: Final answer
    x = 27,584.52

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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.