Home / 33,789.16-46,627.68-19,640.89

Finding the Fourth Proportional to 33,789.16, 46,627.68 and 19,640.89

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Solution

The fourth proportional to 33,789.16, 46,627.68 and 19,640.89 is: 27,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.16 : 46,627.68 = 19,640.89 : x
  2. Step 2: Convert to fraction form
    33,789.16/46,627.68 = 19,640.89/x
  3. Step 3: Cross multiply
    33,789.16x = 46,627.68 × 19,640.89
  4. Step 4: Simplify right side
    33,789.16x = 915,809,133.84
  5. Step 5: Solve for x
    x = 915,809,133.84/33,789.16
  6. Step 6: Final answer
    x = 27,103.64

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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.