Home / 37,086.22-51,179.34-21,170.62

Finding the Fourth Proportional to 37,086.22, 51,179.34 and 21,170.62

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Solution

The fourth proportional to 37,086.22, 51,179.34 and 21,170.62 is: 29,215.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,086.22 : 51,179.34 = 21,170.62 : x
  2. Step 2: Convert to fraction form
    37,086.22/51,179.34 = 21,170.62/x
  3. Step 3: Cross multiply
    37,086.22x = 51,179.34 × 21,170.62
  4. Step 4: Simplify right side
    37,086.22x = 1,083,498,358.99
  5. Step 5: Solve for x
    x = 1,083,498,358.99/37,086.22
  6. Step 6: Final answer
    x = 29,215.66

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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.