Home / 38,311.43-57,467.21-12,018.24

Finding the Fourth Proportional to 38,311.43, 57,467.21 and 12,018.24

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Solution

The fourth proportional to 38,311.43, 57,467.21 and 12,018.24 is: 18,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.43 : 57,467.21 = 12,018.24 : x
  2. Step 2: Convert to fraction form
    38,311.43/57,467.21 = 12,018.24/x
  3. Step 3: Cross multiply
    38,311.43x = 57,467.21 × 12,018.24
  4. Step 4: Simplify right side
    38,311.43x = 690,654,661.82
  5. Step 5: Solve for x
    x = 690,654,661.82/38,311.43
  6. Step 6: Final answer
    x = 18,027.38

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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.