Home / 40,511.20-60,763.92-10,930.72

Finding the Fourth Proportional to 40,511.20, 60,763.92 and 10,930.72

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Solution

The fourth proportional to 40,511.20, 60,763.92 and 10,930.72 is: 16,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,511.20 : 60,763.92 = 10,930.72 : x
  2. Step 2: Convert to fraction form
    40,511.20/60,763.92 = 10,930.72/x
  3. Step 3: Cross multiply
    40,511.20x = 60,763.92 × 10,930.72
  4. Step 4: Simplify right side
    40,511.20x = 664,193,395.62
  5. Step 5: Solve for x
    x = 664,193,395.62/40,511.20
  6. Step 6: Final answer
    x = 16,395.30

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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.