Home / 38,166.97-52,667.80-21,170.54

Finding the Fourth Proportional to 38,166.97, 52,667.80 and 21,170.54

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Solution

The fourth proportional to 38,166.97, 52,667.80 and 21,170.54 is: 29,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,166.97 : 52,667.80 = 21,170.54 : x
  2. Step 2: Convert to fraction form
    38,166.97/52,667.80 = 21,170.54/x
  3. Step 3: Cross multiply
    38,166.97x = 52,667.80 × 21,170.54
  4. Step 4: Simplify right side
    38,166.97x = 1,115,005,450.35
  5. Step 5: Solve for x
    x = 1,115,005,450.35/38,166.97
  6. Step 6: Final answer
    x = 29,213.89

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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.