Home / 34,502.87-51,759.23-12,311.57

Finding the Fourth Proportional to 34,502.87, 51,759.23 and 12,311.57

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Solution

The fourth proportional to 34,502.87, 51,759.23 and 12,311.57 is: 18,469.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,502.87 : 51,759.23 = 12,311.57 : x
  2. Step 2: Convert to fraction form
    34,502.87/51,759.23 = 12,311.57/x
  3. Step 3: Cross multiply
    34,502.87x = 51,759.23 × 12,311.57
  4. Step 4: Simplify right side
    34,502.87x = 637,237,062.94
  5. Step 5: Solve for x
    x = 637,237,062.94/34,502.87
  6. Step 6: Final answer
    x = 18,469.11

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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.