Home / 43,967.10-65,942.10-21,455.13

Finding the Fourth Proportional to 43,967.10, 65,942.10 and 21,455.13

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Solution

The fourth proportional to 43,967.10, 65,942.10 and 21,455.13 is: 32,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,967.10 : 65,942.10 = 21,455.13 : x
  2. Step 2: Convert to fraction form
    43,967.10/65,942.10 = 21,455.13/x
  3. Step 3: Cross multiply
    43,967.10x = 65,942.10 × 21,455.13
  4. Step 4: Simplify right side
    43,967.10x = 1,414,796,327.97
  5. Step 5: Solve for x
    x = 1,414,796,327.97/43,967.10
  6. Step 6: Final answer
    x = 32,178.52

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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.