Home / 69,500.10-104,169.60-31,981.44

Finding the Fourth Proportional to 69,500.10, 104,169.60 and 31,981.44

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Solution

The fourth proportional to 69,500.10, 104,169.60 and 31,981.44 is: 47,935.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,500.10 : 104,169.60 = 31,981.44 : x
  2. Step 2: Convert to fraction form
    69,500.10/104,169.60 = 31,981.44/x
  3. Step 3: Cross multiply
    69,500.10x = 104,169.60 × 31,981.44
  4. Step 4: Simplify right side
    69,500.10x = 3,331,493,812.22
  5. Step 5: Solve for x
    x = 3,331,493,812.22/69,500.10
  6. Step 6: Final answer
    x = 47,935.09

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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.