Home / 31,692.88-43,739.22-17,545.72

Finding the Fourth Proportional to 31,692.88, 43,739.22 and 17,545.72

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Solution

The fourth proportional to 31,692.88, 43,739.22 and 17,545.72 is: 24,214.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.88 : 43,739.22 = 17,545.72 : x
  2. Step 2: Convert to fraction form
    31,692.88/43,739.22 = 17,545.72/x
  3. Step 3: Cross multiply
    31,692.88x = 43,739.22 × 17,545.72
  4. Step 4: Simplify right side
    31,692.88x = 767,436,107.14
  5. Step 5: Solve for x
    x = 767,436,107.14/31,692.88
  6. Step 6: Final answer
    x = 24,214.78

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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.