Home / 43,183.40-64,793.91-15,123.61

Finding the Fourth Proportional to 43,183.40, 64,793.91 and 15,123.61

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Solution

The fourth proportional to 43,183.40, 64,793.91 and 15,123.61 is: 22,692.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.40 : 64,793.91 = 15,123.61 : x
  2. Step 2: Convert to fraction form
    43,183.40/64,793.91 = 15,123.61/x
  3. Step 3: Cross multiply
    43,183.40x = 64,793.91 × 15,123.61
  4. Step 4: Simplify right side
    43,183.40x = 979,917,825.22
  5. Step 5: Solve for x
    x = 979,917,825.22/43,183.40
  6. Step 6: Final answer
    x = 22,692.00

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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.