Home / 38,150.72-57,232.28-11,861.56

Finding the Fourth Proportional to 38,150.72, 57,232.28 and 11,861.56

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Solution

The fourth proportional to 38,150.72, 57,232.28 and 11,861.56 is: 17,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.72 : 57,232.28 = 11,861.56 : x
  2. Step 2: Convert to fraction form
    38,150.72/57,232.28 = 11,861.56/x
  3. Step 3: Cross multiply
    38,150.72x = 57,232.28 × 11,861.56
  4. Step 4: Simplify right side
    38,150.72x = 678,864,123.16
  5. Step 5: Solve for x
    x = 678,864,123.16/38,150.72
  6. Step 6: Final answer
    x = 17,794.27

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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.