Home / 43,360.05-65,040.08-12,195.30

Finding the Fourth Proportional to 43,360.05, 65,040.08 and 12,195.30

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Solution

The fourth proportional to 43,360.05, 65,040.08 and 12,195.30 is: 18,292.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,360.05 : 65,040.08 = 12,195.30 : x
  2. Step 2: Convert to fraction form
    43,360.05/65,040.08 = 12,195.30/x
  3. Step 3: Cross multiply
    43,360.05x = 65,040.08 × 12,195.30
  4. Step 4: Simplify right side
    43,360.05x = 793,183,226.65
  5. Step 5: Solve for x
    x = 793,183,226.65/43,360.05
  6. Step 6: Final answer
    x = 18,292.95

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Similar ratio
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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.