Home / 37,660.45-51,969.66-20,664.31

Finding the Fourth Proportional to 37,660.45, 51,969.66 and 20,664.31

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Solution

The fourth proportional to 37,660.45, 51,969.66 and 20,664.31 is: 28,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660.45 : 51,969.66 = 20,664.31 : x
  2. Step 2: Convert to fraction form
    37,660.45/51,969.66 = 20,664.31/x
  3. Step 3: Cross multiply
    37,660.45x = 51,969.66 × 20,664.31
  4. Step 4: Simplify right side
    37,660.45x = 1,073,917,164.83
  5. Step 5: Solve for x
    x = 1,073,917,164.83/37,660.45
  6. Step 6: Final answer
    x = 28,515.78

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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.