Home / 43,336.38-65,004.58-12,171.63

Finding the Fourth Proportional to 43,336.38, 65,004.58 and 12,171.63

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Solution

The fourth proportional to 43,336.38, 65,004.58 and 12,171.63 is: 18,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,336.38 : 65,004.58 = 12,171.63 : x
  2. Step 2: Convert to fraction form
    43,336.38/65,004.58 = 12,171.63/x
  3. Step 3: Cross multiply
    43,336.38x = 65,004.58 × 12,171.63
  4. Step 4: Simplify right side
    43,336.38x = 791,211,340.61
  5. Step 5: Solve for x
    x = 791,211,340.61/43,336.38
  6. Step 6: Final answer
    x = 18,257.44

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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.