Home / 40,629.20-60,945.06-11,047.70

Finding the Fourth Proportional to 40,629.20, 60,945.06 and 11,047.70

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Solution

The fourth proportional to 40,629.20, 60,945.06 and 11,047.70 is: 16,571.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,629.20 : 60,945.06 = 11,047.70 : x
  2. Step 2: Convert to fraction form
    40,629.20/60,945.06 = 11,047.70/x
  3. Step 3: Cross multiply
    40,629.20x = 60,945.06 × 11,047.70
  4. Step 4: Simplify right side
    40,629.20x = 673,302,434.64
  5. Step 5: Solve for x
    x = 673,302,434.64/40,629.20
  6. Step 6: Final answer
    x = 16,571.89

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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.