Home / 37,656.57-51,964.31-20,660.43

Finding the Fourth Proportional to 37,656.57, 51,964.31 and 20,660.43

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Solution

The fourth proportional to 37,656.57, 51,964.31 and 20,660.43 is: 28,510.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,656.57 : 51,964.31 = 20,660.43 : x
  2. Step 2: Convert to fraction form
    37,656.57/51,964.31 = 20,660.43/x
  3. Step 3: Cross multiply
    37,656.57x = 51,964.31 × 20,660.43
  4. Step 4: Simplify right side
    37,656.57x = 1,073,605,040.90
  5. Step 5: Solve for x
    x = 1,073,605,040.90/37,656.57
  6. Step 6: Final answer
    x = 28,510.43

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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.