Home / 51,306.80-76,964.56-18,023.96

Finding the Fourth Proportional to 51,306.80, 76,964.56 and 18,023.96

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Solution

The fourth proportional to 51,306.80, 76,964.56 and 18,023.96 is: 27,037.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,306.80 : 76,964.56 = 18,023.96 : x
  2. Step 2: Convert to fraction form
    51,306.80/76,964.56 = 18,023.96/x
  3. Step 3: Cross multiply
    51,306.80x = 76,964.56 × 18,023.96
  4. Step 4: Simplify right side
    51,306.80x = 1,387,206,150.86
  5. Step 5: Solve for x
    x = 1,387,206,150.86/51,306.80
  6. Step 6: Final answer
    x = 27,037.47

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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.