Home / 34,311.72-51,467.46-12,126.36

Finding the Fourth Proportional to 34,311.72, 51,467.46 and 12,126.36

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Solution

The fourth proportional to 34,311.72, 51,467.46 and 12,126.36 is: 18,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,311.72 : 51,467.46 = 12,126.36 : x
  2. Step 2: Convert to fraction form
    34,311.72/51,467.46 = 12,126.36/x
  3. Step 3: Cross multiply
    34,311.72x = 51,467.46 × 12,126.36
  4. Step 4: Simplify right side
    34,311.72x = 624,112,948.25
  5. Step 5: Solve for x
    x = 624,112,948.25/34,311.72
  6. Step 6: Final answer
    x = 18,189.50

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1.5x scale

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.