Home / 39,919.20-59,845.92-15,905.92

Finding the Fourth Proportional to 39,919.20, 59,845.92 and 15,905.92

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Solution

The fourth proportional to 39,919.20, 59,845.92 and 15,905.92 is: 23,845.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,919.20 : 59,845.92 = 15,905.92 : x
  2. Step 2: Convert to fraction form
    39,919.20/59,845.92 = 15,905.92/x
  3. Step 3: Cross multiply
    39,919.20x = 59,845.92 × 15,905.92
  4. Step 4: Simplify right side
    39,919.20x = 951,904,415.85
  5. Step 5: Solve for x
    x = 951,904,415.85/39,919.20
  6. Step 6: Final answer
    x = 23,845.78

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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.