Home / 40,311.06-60,466.73-12,231.35

Finding the Fourth Proportional to 40,311.06, 60,466.73 and 12,231.35

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Solution

The fourth proportional to 40,311.06, 60,466.73 and 12,231.35 is: 18,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.06 : 60,466.73 = 12,231.35 : x
  2. Step 2: Convert to fraction form
    40,311.06/60,466.73 = 12,231.35/x
  3. Step 3: Cross multiply
    40,311.06x = 60,466.73 × 12,231.35
  4. Step 4: Simplify right side
    40,311.06x = 739,589,919.73
  5. Step 5: Solve for x
    x = 739,589,919.73/40,311.06
  6. Step 6: Final answer
    x = 18,347.07

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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.