Home / 31,745.45-43,806.35-17,402.98

Finding the Fourth Proportional to 31,745.45, 43,806.35 and 17,402.98

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Solution

The fourth proportional to 31,745.45, 43,806.35 and 17,402.98 is: 24,014.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,745.45 : 43,806.35 = 17,402.98 : x
  2. Step 2: Convert to fraction form
    31,745.45/43,806.35 = 17,402.98/x
  3. Step 3: Cross multiply
    31,745.45x = 43,806.35 × 17,402.98
  4. Step 4: Simplify right side
    31,745.45x = 762,361,032.92
  5. Step 5: Solve for x
    x = 762,361,032.92/31,745.45
  6. Step 6: Final answer
    x = 24,014.81

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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.