Home / 51,306.24-76,964.64-13,866.52

Finding the Fourth Proportional to 51,306.24, 76,964.64 and 13,866.52

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Solution

The fourth proportional to 51,306.24, 76,964.64 and 13,866.52 is: 20,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.24 : 76,964.64 = 13,866.52 : x
  2. Step 2: Convert to fraction form
    51,306.24/76,964.64 = 13,866.52/x
  3. Step 3: Cross multiply
    51,306.24x = 76,964.64 × 13,866.52
  4. Step 4: Simplify right side
    51,306.24x = 1,067,231,719.85
  5. Step 5: Solve for x
    x = 1,067,231,719.85/51,306.24
  6. Step 6: Final answer
    x = 20,801.21

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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.