Home / 31,692.80-43,736.28-17,545.34

Finding the Fourth Proportional to 31,692.80, 43,736.28 and 17,545.34

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Solution

The fourth proportional to 31,692.80, 43,736.28 and 17,545.34 is: 24,212.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.80 : 43,736.28 = 17,545.34 : x
  2. Step 2: Convert to fraction form
    31,692.80/43,736.28 = 17,545.34/x
  3. Step 3: Cross multiply
    31,692.80x = 43,736.28 × 17,545.34
  4. Step 4: Simplify right side
    31,692.80x = 767,367,902.94
  5. Step 5: Solve for x
    x = 767,367,902.94/31,692.80
  6. Step 6: Final answer
    x = 24,212.69

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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.