Home / 43,238.20-64,819.02-16,961.80

Finding the Fourth Proportional to 43,238.20, 64,819.02 and 16,961.80

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Solution

The fourth proportional to 43,238.20, 64,819.02 and 16,961.80 is: 25,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.20 : 64,819.02 = 16,961.80 : x
  2. Step 2: Convert to fraction form
    43,238.20/64,819.02 = 16,961.80/x
  3. Step 3: Cross multiply
    43,238.20x = 64,819.02 × 16,961.80
  4. Step 4: Simplify right side
    43,238.20x = 1,099,447,253.44
  5. Step 5: Solve for x
    x = 1,099,447,253.44/43,238.20
  6. Step 6: Final answer
    x = 25,427.68

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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.