Home / 34,221.11-51,338.88-12,873.96

Finding the Fourth Proportional to 34,221.11, 51,338.88 and 12,873.96

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Solution

The fourth proportional to 34,221.11, 51,338.88 and 12,873.96 is: 19,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,221.11 : 51,338.88 = 12,873.96 : x
  2. Step 2: Convert to fraction form
    34,221.11/51,338.88 = 12,873.96/x
  3. Step 3: Cross multiply
    34,221.11x = 51,338.88 × 12,873.96
  4. Step 4: Simplify right side
    34,221.11x = 660,934,687.56
  5. Step 5: Solve for x
    x = 660,934,687.56/34,221.11
  6. Step 6: Final answer
    x = 19,313.66

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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.