Home / 37,174.92-51,299.64-20,178.78

Finding the Fourth Proportional to 37,174.92, 51,299.64 and 20,178.78

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Solution

The fourth proportional to 37,174.92, 51,299.64 and 20,178.78 is: 27,845.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,174.92 : 51,299.64 = 20,178.78 : x
  2. Step 2: Convert to fraction form
    37,174.92/51,299.64 = 20,178.78/x
  3. Step 3: Cross multiply
    37,174.92x = 51,299.64 × 20,178.78
  4. Step 4: Simplify right side
    37,174.92x = 1,035,164,149.64
  5. Step 5: Solve for x
    x = 1,035,164,149.64/37,174.92
  6. Step 6: Final answer
    x = 27,845.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.