Home / 33,421.97-46,122.32-19,993.79

Finding the Fourth Proportional to 33,421.97, 46,122.32 and 19,993.79

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Solution

The fourth proportional to 33,421.97, 46,122.32 and 19,993.79 is: 27,591.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,421.97 : 46,122.32 = 19,993.79 : x
  2. Step 2: Convert to fraction form
    33,421.97/46,122.32 = 19,993.79/x
  3. Step 3: Cross multiply
    33,421.97x = 46,122.32 × 19,993.79
  4. Step 4: Simplify right side
    33,421.97x = 922,159,980.39
  5. Step 5: Solve for x
    x = 922,159,980.39/33,421.97
  6. Step 6: Final answer
    x = 27,591.43

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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.