Home / 31,255.64-43,132.80-17,108.48

Finding the Fourth Proportional to 31,255.64, 43,132.80 and 17,108.48

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Solution

The fourth proportional to 31,255.64, 43,132.80 and 17,108.48 is: 23,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.64 : 43,132.80 = 17,108.48 : x
  2. Step 2: Convert to fraction form
    31,255.64/43,132.80 = 17,108.48/x
  3. Step 3: Cross multiply
    31,255.64x = 43,132.80 × 17,108.48
  4. Step 4: Simplify right side
    31,255.64x = 737,936,646.14
  5. Step 5: Solve for x
    x = 737,936,646.14/31,255.64
  6. Step 6: Final answer
    x = 23,609.71

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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.