Home / 43,424.20-65,136.30-40,216.60

Finding the Fourth Proportional to 43,424.20, 65,136.30 and 40,216.60

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Solution

The fourth proportional to 43,424.20, 65,136.30 and 40,216.60 is: 60,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,424.20 : 65,136.30 = 40,216.60 : x
  2. Step 2: Convert to fraction form
    43,424.20/65,136.30 = 40,216.60/x
  3. Step 3: Cross multiply
    43,424.20x = 65,136.30 × 40,216.60
  4. Step 4: Simplify right side
    43,424.20x = 2,619,560,522.58
  5. Step 5: Solve for x
    x = 2,619,560,522.58/43,424.20
  6. Step 6: Final answer
    x = 60,324.90

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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.