Home / 37,083.79-51,179.30-21,170.64

Finding the Fourth Proportional to 37,083.79, 51,179.30 and 21,170.64

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Solution

The fourth proportional to 37,083.79, 51,179.30 and 21,170.64 is: 29,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,083.79 : 51,179.30 = 21,170.64 : x
  2. Step 2: Convert to fraction form
    37,083.79/51,179.30 = 21,170.64/x
  3. Step 3: Cross multiply
    37,083.79x = 51,179.30 × 21,170.64
  4. Step 4: Simplify right side
    37,083.79x = 1,083,498,535.75
  5. Step 5: Solve for x
    x = 1,083,498,535.75/37,083.79
  6. Step 6: Final answer
    x = 29,217.58

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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.