Home / 31,513.92-43,489.68-17,367.84

Finding the Fourth Proportional to 31,513.92, 43,489.68 and 17,367.84

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Solution

The fourth proportional to 31,513.92, 43,489.68 and 17,367.84 is: 23,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.92 : 43,489.68 = 17,367.84 : x
  2. Step 2: Convert to fraction form
    31,513.92/43,489.68 = 17,367.84/x
  3. Step 3: Cross multiply
    31,513.92x = 43,489.68 × 17,367.84
  4. Step 4: Simplify right side
    31,513.92x = 755,321,803.89
  5. Step 5: Solve for x
    x = 755,321,803.89/31,513.92
  6. Step 6: Final answer
    x = 23,967.88

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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.