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Finding the Fourth Proportional to 43,908.44, 65,874.98 and 17,631.63

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Solution

The fourth proportional to 43,908.44, 65,874.98 and 17,631.63 is: 26,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,908.44 : 65,874.98 = 17,631.63 : x
  2. Step 2: Convert to fraction form
    43,908.44/65,874.98 = 17,631.63/x
  3. Step 3: Cross multiply
    43,908.44x = 65,874.98 × 17,631.63
  4. Step 4: Simplify right side
    43,908.44x = 1,161,483,317.70
  5. Step 5: Solve for x
    x = 1,161,483,317.70/43,908.44
  6. Step 6: Final answer
    x = 26,452.40

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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.