Home / 34,255.87-51,390.69-12,084.96

Finding the Fourth Proportional to 34,255.87, 51,390.69 and 12,084.96

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Solution

The fourth proportional to 34,255.87, 51,390.69 and 12,084.96 is: 18,129.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,255.87 : 51,390.69 = 12,084.96 : x
  2. Step 2: Convert to fraction form
    34,255.87/51,390.69 = 12,084.96/x
  3. Step 3: Cross multiply
    34,255.87x = 51,390.69 × 12,084.96
  4. Step 4: Simplify right side
    34,255.87x = 621,054,433.02
  5. Step 5: Solve for x
    x = 621,054,433.02/34,255.87
  6. Step 6: Final answer
    x = 18,129.87

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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.