Home / 37,659.76-51,971.43-20,664.73

Finding the Fourth Proportional to 37,659.76, 51,971.43 and 20,664.73

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Solution

The fourth proportional to 37,659.76, 51,971.43 and 20,664.73 is: 28,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.76 : 51,971.43 = 20,664.73 : x
  2. Step 2: Convert to fraction form
    37,659.76/51,971.43 = 20,664.73/x
  3. Step 3: Cross multiply
    37,659.76x = 51,971.43 × 20,664.73
  4. Step 4: Simplify right side
    37,659.76x = 1,073,975,568.66
  5. Step 5: Solve for x
    x = 1,073,975,568.66/37,659.76
  6. Step 6: Final answer
    x = 28,517.85

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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.