Home / 43,187.36-64,789.74-18,227.43

Finding the Fourth Proportional to 43,187.36, 64,789.74 and 18,227.43

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Solution

The fourth proportional to 43,187.36, 64,789.74 and 18,227.43 is: 27,344.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.36 : 64,789.74 = 18,227.43 : x
  2. Step 2: Convert to fraction form
    43,187.36/64,789.74 = 18,227.43/x
  3. Step 3: Cross multiply
    43,187.36x = 64,789.74 × 18,227.43
  4. Step 4: Simplify right side
    43,187.36x = 1,180,950,450.57
  5. Step 5: Solve for x
    x = 1,180,950,450.57/43,187.36
  6. Step 6: Final answer
    x = 27,344.82

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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.