Home / 40,311.40-60,467.22-12,231.68

Finding the Fourth Proportional to 40,311.40, 60,467.22 and 12,231.68

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Solution

The fourth proportional to 40,311.40, 60,467.22 and 12,231.68 is: 18,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.40 : 60,467.22 = 12,231.68 : x
  2. Step 2: Convert to fraction form
    40,311.40/60,467.22 = 12,231.68/x
  3. Step 3: Cross multiply
    40,311.40x = 60,467.22 × 12,231.68
  4. Step 4: Simplify right side
    40,311.40x = 739,615,685.53
  5. Step 5: Solve for x
    x = 739,615,685.53/40,311.40
  6. Step 6: Final answer
    x = 18,347.56

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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.