Home / 39,942.82-55,122.88-22,952.57

Finding the Fourth Proportional to 39,942.82, 55,122.88 and 22,952.57

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Solution

The fourth proportional to 39,942.82, 55,122.88 and 22,952.57 is: 31,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.82 : 55,122.88 = 22,952.57 : x
  2. Step 2: Convert to fraction form
    39,942.82/55,122.88 = 22,952.57/x
  3. Step 3: Cross multiply
    39,942.82x = 55,122.88 × 22,952.57
  4. Step 4: Simplify right side
    39,942.82x = 1,265,211,471.84
  5. Step 5: Solve for x
    x = 1,265,211,471.84/39,942.82
  6. Step 6: Final answer
    x = 31,675.57

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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.