Home / 40,331.20-60,511.20-16,964.80

Finding the Fourth Proportional to 40,331.20, 60,511.20 and 16,964.80

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Solution

The fourth proportional to 40,331.20, 60,511.20 and 16,964.80 is: 25,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.20 : 60,511.20 = 16,964.80 : x
  2. Step 2: Convert to fraction form
    40,331.20/60,511.20 = 16,964.80/x
  3. Step 3: Cross multiply
    40,331.20x = 60,511.20 × 16,964.80
  4. Step 4: Simplify right side
    40,331.20x = 1,026,560,405.76
  5. Step 5: Solve for x
    x = 1,026,560,405.76/40,331.20
  6. Step 6: Final answer
    x = 25,453.26

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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.