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Finding the Fourth Proportional to 69,386.08, 104,095.68 and 22,639

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Solution

The fourth proportional to 69,386.08, 104,095.68 and 22,639 is: 33,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.08 : 104,095.68 = 22,639 : x
  2. Step 2: Convert to fraction form
    69,386.08/104,095.68 = 22,639/x
  3. Step 3: Cross multiply
    69,386.08x = 104,095.68 × 22,639
  4. Step 4: Simplify right side
    69,386.08x = 2,356,622,099.52
  5. Step 5: Solve for x
    x = 2,356,622,099.52/69,386.08
  6. Step 6: Final answer
    x = 33,963.90

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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.