Home / 33,928.12-46,822.62-19,780.12

Finding the Fourth Proportional to 33,928.12, 46,822.62 and 19,780.12

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Solution

The fourth proportional to 33,928.12, 46,822.62 and 19,780.12 is: 27,297.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,928.12 : 46,822.62 = 19,780.12 : x
  2. Step 2: Convert to fraction form
    33,928.12/46,822.62 = 19,780.12/x
  3. Step 3: Cross multiply
    33,928.12x = 46,822.62 × 19,780.12
  4. Step 4: Simplify right side
    33,928.12x = 926,157,042.31
  5. Step 5: Solve for x
    x = 926,157,042.31/33,928.12
  6. Step 6: Final answer
    x = 27,297.62

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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.