Home / 31,446.13-43,395.78-17,105.96

Finding the Fourth Proportional to 31,446.13, 43,395.78 and 17,105.96

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Solution

The fourth proportional to 31,446.13, 43,395.78 and 17,105.96 is: 23,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.13 : 43,395.78 = 17,105.96 : x
  2. Step 2: Convert to fraction form
    31,446.13/43,395.78 = 17,105.96/x
  3. Step 3: Cross multiply
    31,446.13x = 43,395.78 × 17,105.96
  4. Step 4: Simplify right side
    31,446.13x = 742,326,476.85
  5. Step 5: Solve for x
    x = 742,326,476.85/31,446.13
  6. Step 6: Final answer
    x = 23,606.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.