Home / 51,306.62-76,964.31-13,866.53

Finding the Fourth Proportional to 51,306.62, 76,964.31 and 13,866.53

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Solution

The fourth proportional to 51,306.62, 76,964.31 and 13,866.53 is: 20,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.62 : 76,964.31 = 13,866.53 : x
  2. Step 2: Convert to fraction form
    51,306.62/76,964.31 = 13,866.53/x
  3. Step 3: Cross multiply
    51,306.62x = 76,964.31 × 13,866.53
  4. Step 4: Simplify right side
    51,306.62x = 1,067,227,528.72
  5. Step 5: Solve for x
    x = 1,067,227,528.72/51,306.62
  6. Step 6: Final answer
    x = 20,800.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.