Home / 30,171.96-41,638.52-18,232.97

Finding the Fourth Proportional to 30,171.96, 41,638.52 and 18,232.97

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Solution

The fourth proportional to 30,171.96, 41,638.52 and 18,232.97 is: 25,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,171.96 : 41,638.52 = 18,232.97 : x
  2. Step 2: Convert to fraction form
    30,171.96/41,638.52 = 18,232.97/x
  3. Step 3: Cross multiply
    30,171.96x = 41,638.52 × 18,232.97
  4. Step 4: Simplify right side
    30,171.96x = 759,193,723.39
  5. Step 5: Solve for x
    x = 759,193,723.39/30,171.96
  6. Step 6: Final answer
    x = 25,162.23

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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.