Home / 34,747.21-52,120.83-8,451.79

Finding the Fourth Proportional to 34,747.21, 52,120.83 and 8,451.79

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Solution

The fourth proportional to 34,747.21, 52,120.83 and 8,451.79 is: 12,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,747.21 : 52,120.83 = 8,451.79 : x
  2. Step 2: Convert to fraction form
    34,747.21/52,120.83 = 8,451.79/x
  3. Step 3: Cross multiply
    34,747.21x = 52,120.83 × 8,451.79
  4. Step 4: Simplify right side
    34,747.21x = 440,514,309.79
  5. Step 5: Solve for x
    x = 440,514,309.79/34,747.21
  6. Step 6: Final answer
    x = 12,677.69

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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.