Home / 31,255.96-43,133.24-17,108.88

Finding the Fourth Proportional to 31,255.96, 43,133.24 and 17,108.88

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Solution

The fourth proportional to 31,255.96, 43,133.24 and 17,108.88 is: 23,610.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.96 : 43,133.24 = 17,108.88 : x
  2. Step 2: Convert to fraction form
    31,255.96/43,133.24 = 17,108.88/x
  3. Step 3: Cross multiply
    31,255.96x = 43,133.24 × 17,108.88
  4. Step 4: Simplify right side
    31,255.96x = 737,961,427.17
  5. Step 5: Solve for x
    x = 737,961,427.17/31,255.96
  6. Step 6: Final answer
    x = 23,610.26

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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.