Home / 38,622.12-57,939.45-11,961.88

Finding the Fourth Proportional to 38,622.12, 57,939.45 and 11,961.88

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Solution

The fourth proportional to 38,622.12, 57,939.45 and 11,961.88 is: 17,944.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,622.12 : 57,939.45 = 11,961.88 : x
  2. Step 2: Convert to fraction form
    38,622.12/57,939.45 = 11,961.88/x
  3. Step 3: Cross multiply
    38,622.12x = 57,939.45 × 11,961.88
  4. Step 4: Simplify right side
    38,622.12x = 693,064,625.75
  5. Step 5: Solve for x
    x = 693,064,625.75/38,622.12
  6. Step 6: Final answer
    x = 17,944.76

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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.