Home / 31,819.54-43,909.49-17,673.30

Finding the Fourth Proportional to 31,819.54, 43,909.49 and 17,673.30

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Solution

The fourth proportional to 31,819.54, 43,909.49 and 17,673.30 is: 24,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,819.54 : 43,909.49 = 17,673.30 : x
  2. Step 2: Convert to fraction form
    31,819.54/43,909.49 = 17,673.30/x
  3. Step 3: Cross multiply
    31,819.54x = 43,909.49 × 17,673.30
  4. Step 4: Simplify right side
    31,819.54x = 776,025,589.62
  5. Step 5: Solve for x
    x = 776,025,589.62/31,819.54
  6. Step 6: Final answer
    x = 24,388.33

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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.