Home / 29,815.04-41,142.30-17,240.60

Finding the Fourth Proportional to 29,815.04, 41,142.30 and 17,240.60

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Solution

The fourth proportional to 29,815.04, 41,142.30 and 17,240.60 is: 23,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,815.04 : 41,142.30 = 17,240.60 : x
  2. Step 2: Convert to fraction form
    29,815.04/41,142.30 = 17,240.60/x
  3. Step 3: Cross multiply
    29,815.04x = 41,142.30 × 17,240.60
  4. Step 4: Simplify right side
    29,815.04x = 709,317,937.38
  5. Step 5: Solve for x
    x = 709,317,937.38/29,815.04
  6. Step 6: Final answer
    x = 23,790.61

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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.