Home / 43,169.23-64,757.40-12,004.48

Finding the Fourth Proportional to 43,169.23, 64,757.40 and 12,004.48

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Solution

The fourth proportional to 43,169.23, 64,757.40 and 12,004.48 is: 18,007.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,169.23 : 64,757.40 = 12,004.48 : x
  2. Step 2: Convert to fraction form
    43,169.23/64,757.40 = 12,004.48/x
  3. Step 3: Cross multiply
    43,169.23x = 64,757.40 × 12,004.48
  4. Step 4: Simplify right side
    43,169.23x = 777,378,913.15
  5. Step 5: Solve for x
    x = 777,378,913.15/43,169.23
  6. Step 6: Final answer
    x = 18,007.71

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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.