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Finding the Fourth Proportional to 43,967.19, 65,949.84 and 10,687.44

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Solution

The fourth proportional to 43,967.19, 65,949.84 and 10,687.44 is: 16,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.19 : 65,949.84 = 10,687.44 : x
  2. Step 2: Convert to fraction form
    43,967.19/65,949.84 = 10,687.44/x
  3. Step 3: Cross multiply
    43,967.19x = 65,949.84 × 10,687.44
  4. Step 4: Simplify right side
    43,967.19x = 704,834,958.01
  5. Step 5: Solve for x
    x = 704,834,958.01/43,967.19
  6. Step 6: Final answer
    x = 16,030.93

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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.