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Finding the Fourth Proportional to 41,431, 62,154.62 and 16,466.39

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Solution

The fourth proportional to 41,431, 62,154.62 and 16,466.39 is: 24,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,431 : 62,154.62 = 16,466.39 : x
  2. Step 2: Convert to fraction form
    41,431/62,154.62 = 16,466.39/x
  3. Step 3: Cross multiply
    41,431x = 62,154.62 × 16,466.39
  4. Step 4: Simplify right side
    41,431x = 1,023,462,213.22
  5. Step 5: Solve for x
    x = 1,023,462,213.22/41,431
  6. Step 6: Final answer
    x = 24,702.81

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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.