Home / 31,869.45-43,979.76-17,722.26

Finding the Fourth Proportional to 31,869.45, 43,979.76 and 17,722.26

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Solution

The fourth proportional to 31,869.45, 43,979.76 and 17,722.26 is: 24,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.45 : 43,979.76 = 17,722.26 : x
  2. Step 2: Convert to fraction form
    31,869.45/43,979.76 = 17,722.26/x
  3. Step 3: Cross multiply
    31,869.45x = 43,979.76 × 17,722.26
  4. Step 4: Simplify right side
    31,869.45x = 779,420,741.46
  5. Step 5: Solve for x
    x = 779,420,741.46/31,869.45
  6. Step 6: Final answer
    x = 24,456.67

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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.