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Finding the Fourth Proportional to 43,908.85, 65,863 and 14,326.71

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Solution

The fourth proportional to 43,908.85, 65,863 and 14,326.71 is: 21,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.85 : 65,863 = 14,326.71 : x
  2. Step 2: Convert to fraction form
    43,908.85/65,863 = 14,326.71/x
  3. Step 3: Cross multiply
    43,908.85x = 65,863 × 14,326.71
  4. Step 4: Simplify right side
    43,908.85x = 943,600,100.73
  5. Step 5: Solve for x
    x = 943,600,100.73/43,908.85
  6. Step 6: Final answer
    x = 21,489.98

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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.