Home / 34,922.45-48,192.07-20,389.42

Finding the Fourth Proportional to 34,922.45, 48,192.07 and 20,389.42

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Solution

The fourth proportional to 34,922.45, 48,192.07 and 20,389.42 is: 28,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,922.45 : 48,192.07 = 20,389.42 : x
  2. Step 2: Convert to fraction form
    34,922.45/48,192.07 = 20,389.42/x
  3. Step 3: Cross multiply
    34,922.45x = 48,192.07 × 20,389.42
  4. Step 4: Simplify right side
    34,922.45x = 982,608,355.90
  5. Step 5: Solve for x
    x = 982,608,355.90/34,922.45
  6. Step 6: Final answer
    x = 28,136.87

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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.