Home / 31,255.19-43,132.16-17,108.03

Finding the Fourth Proportional to 31,255.19, 43,132.16 and 17,108.03

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Solution

The fourth proportional to 31,255.19, 43,132.16 and 17,108.03 is: 23,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.19 : 43,132.16 = 17,108.03 : x
  2. Step 2: Convert to fraction form
    31,255.19/43,132.16 = 17,108.03/x
  3. Step 3: Cross multiply
    31,255.19x = 43,132.16 × 17,108.03
  4. Step 4: Simplify right side
    31,255.19x = 737,906,287.24
  5. Step 5: Solve for x
    x = 737,906,287.24/31,255.19
  6. Step 6: Final answer
    x = 23,609.08

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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.