Home / 31,456.26-43,410.04-17,308.80

Finding the Fourth Proportional to 31,456.26, 43,410.04 and 17,308.80

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Solution

The fourth proportional to 31,456.26, 43,410.04 and 17,308.80 is: 23,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456.26 : 43,410.04 = 17,308.80 : x
  2. Step 2: Convert to fraction form
    31,456.26/43,410.04 = 17,308.80/x
  3. Step 3: Cross multiply
    31,456.26x = 43,410.04 × 17,308.80
  4. Step 4: Simplify right side
    31,456.26x = 751,375,700.35
  5. Step 5: Solve for x
    x = 751,375,700.35/31,456.26
  6. Step 6: Final answer
    x = 23,886.36

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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.