Home / 43,175.49-64,772.07-18,215.61

Finding the Fourth Proportional to 43,175.49, 64,772.07 and 18,215.61

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Solution

The fourth proportional to 43,175.49, 64,772.07 and 18,215.61 is: 27,327.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.49 : 64,772.07 = 18,215.61 : x
  2. Step 2: Convert to fraction form
    43,175.49/64,772.07 = 18,215.61/x
  3. Step 3: Cross multiply
    43,175.49x = 64,772.07 × 18,215.61
  4. Step 4: Simplify right side
    43,175.49x = 1,179,862,766.01
  5. Step 5: Solve for x
    x = 1,179,862,766.01/43,175.49
  6. Step 6: Final answer
    x = 27,327.14

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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.