Home / 40,226.20-60,339.30-10,648.60

Finding the Fourth Proportional to 40,226.20, 60,339.30 and 10,648.60

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Solution

The fourth proportional to 40,226.20, 60,339.30 and 10,648.60 is: 15,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,226.20 : 60,339.30 = 10,648.60 : x
  2. Step 2: Convert to fraction form
    40,226.20/60,339.30 = 10,648.60/x
  3. Step 3: Cross multiply
    40,226.20x = 60,339.30 × 10,648.60
  4. Step 4: Simplify right side
    40,226.20x = 642,529,069.98
  5. Step 5: Solve for x
    x = 642,529,069.98/40,226.20
  6. Step 6: Final answer
    x = 15,972.90

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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.