Home / 29,440.57-40,616-16,691.06

Finding the Fourth Proportional to 29,440.57, 40,616 and 16,691.06

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Solution

The fourth proportional to 29,440.57, 40,616 and 16,691.06 is: 23,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,440.57 : 40,616 = 16,691.06 : x
  2. Step 2: Convert to fraction form
    29,440.57/40,616 = 16,691.06/x
  3. Step 3: Cross multiply
    29,440.57x = 40,616 × 16,691.06
  4. Step 4: Simplify right side
    29,440.57x = 677,924,092.96
  5. Step 5: Solve for x
    x = 677,924,092.96/29,440.57
  6. Step 6: Final answer
    x = 23,026.87

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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.