Home / 69,815.60-104,730.68-22,418.72

Finding the Fourth Proportional to 69,815.60, 104,730.68 and 22,418.72

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Solution

The fourth proportional to 69,815.60, 104,730.68 and 22,418.72 is: 33,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,815.60 : 104,730.68 = 22,418.72 : x
  2. Step 2: Convert to fraction form
    69,815.60/104,730.68 = 22,418.72/x
  3. Step 3: Cross multiply
    69,815.60x = 104,730.68 × 22,418.72
  4. Step 4: Simplify right side
    69,815.60x = 2,347,927,790.33
  5. Step 5: Solve for x
    x = 2,347,927,790.33/69,815.60
  6. Step 6: Final answer
    x = 33,630.42

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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.