Home / 31,508.08-43,481.07-17,360.92

Finding the Fourth Proportional to 31,508.08, 43,481.07 and 17,360.92

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Solution

The fourth proportional to 31,508.08, 43,481.07 and 17,360.92 is: 23,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.08 : 43,481.07 = 17,360.92 : x
  2. Step 2: Convert to fraction form
    31,508.08/43,481.07 = 17,360.92/x
  3. Step 3: Cross multiply
    31,508.08x = 43,481.07 × 17,360.92
  4. Step 4: Simplify right side
    31,508.08x = 754,871,290.98
  5. Step 5: Solve for x
    x = 754,871,290.98/31,508.08
  6. Step 6: Final answer
    x = 23,958.03

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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.