Home / 43,175.66-64,772.22-18,215.76

Finding the Fourth Proportional to 43,175.66, 64,772.22 and 18,215.76

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Solution

The fourth proportional to 43,175.66, 64,772.22 and 18,215.76 is: 27,327.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,175.66 : 64,772.22 = 18,215.76 : x
  2. Step 2: Convert to fraction form
    43,175.66/64,772.22 = 18,215.76/x
  3. Step 3: Cross multiply
    43,175.66x = 64,772.22 × 18,215.76
  4. Step 4: Simplify right side
    43,175.66x = 1,179,875,525.39
  5. Step 5: Solve for x
    x = 1,179,875,525.39/43,175.66
  6. Step 6: Final answer
    x = 27,327.33

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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.