Home / 34,290.12-51,439.32-12,098.94

Finding the Fourth Proportional to 34,290.12, 51,439.32 and 12,098.94

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Solution

The fourth proportional to 34,290.12, 51,439.32 and 12,098.94 is: 18,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,290.12 : 51,439.32 = 12,098.94 : x
  2. Step 2: Convert to fraction form
    34,290.12/51,439.32 = 12,098.94/x
  3. Step 3: Cross multiply
    34,290.12x = 51,439.32 × 12,098.94
  4. Step 4: Simplify right side
    34,290.12x = 622,361,246.32
  5. Step 5: Solve for x
    x = 622,361,246.32/34,290.12
  6. Step 6: Final answer
    x = 18,149.87

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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.