Home / 34,956.50-48,231.60-20,418.44

Finding the Fourth Proportional to 34,956.50, 48,231.60 and 20,418.44

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Solution

The fourth proportional to 34,956.50, 48,231.60 and 20,418.44 is: 28,172.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,956.50 : 48,231.60 = 20,418.44 : x
  2. Step 2: Convert to fraction form
    34,956.50/48,231.60 = 20,418.44/x
  3. Step 3: Cross multiply
    34,956.50x = 48,231.60 × 20,418.44
  4. Step 4: Simplify right side
    34,956.50x = 984,814,030.70
  5. Step 5: Solve for x
    x = 984,814,030.70/34,956.50
  6. Step 6: Final answer
    x = 28,172.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.