Home / 33,781.52-46,620.84-19,638.80

Finding the Fourth Proportional to 33,781.52, 46,620.84 and 19,638.80

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Solution

The fourth proportional to 33,781.52, 46,620.84 and 19,638.80 is: 27,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.52 : 46,620.84 = 19,638.80 : x
  2. Step 2: Convert to fraction form
    33,781.52/46,620.84 = 19,638.80/x
  3. Step 3: Cross multiply
    33,781.52x = 46,620.84 × 19,638.80
  4. Step 4: Simplify right side
    33,781.52x = 915,577,352.59
  5. Step 5: Solve for x
    x = 915,577,352.59/33,781.52
  6. Step 6: Final answer
    x = 27,102.91

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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.