Home / 31,324.39-43,230.36-17,179.96

Finding the Fourth Proportional to 31,324.39, 43,230.36 and 17,179.96

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Solution

The fourth proportional to 31,324.39, 43,230.36 and 17,179.96 is: 23,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.39 : 43,230.36 = 17,179.96 : x
  2. Step 2: Convert to fraction form
    31,324.39/43,230.36 = 17,179.96/x
  3. Step 3: Cross multiply
    31,324.39x = 43,230.36 × 17,179.96
  4. Step 4: Simplify right side
    31,324.39x = 742,695,855.59
  5. Step 5: Solve for x
    x = 742,695,855.59/31,324.39
  6. Step 6: Final answer
    x = 23,709.83

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1.5x scale

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.