Home / 31,173.72-43,019.64-17,026.56

Finding the Fourth Proportional to 31,173.72, 43,019.64 and 17,026.56

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Solution

The fourth proportional to 31,173.72, 43,019.64 and 17,026.56 is: 23,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,173.72 : 43,019.64 = 17,026.56 : x
  2. Step 2: Convert to fraction form
    31,173.72/43,019.64 = 17,026.56/x
  3. Step 3: Cross multiply
    31,173.72x = 43,019.64 × 17,026.56
  4. Step 4: Simplify right side
    31,173.72x = 732,476,481.64
  5. Step 5: Solve for x
    x = 732,476,481.64/31,173.72
  6. Step 6: Final answer
    x = 23,496.60

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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.