Home / 39,972.35-55,163.63-22,982.11

Finding the Fourth Proportional to 39,972.35, 55,163.63 and 22,982.11

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Solution

The fourth proportional to 39,972.35, 55,163.63 and 22,982.11 is: 31,716.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,972.35 : 55,163.63 = 22,982.11 : x
  2. Step 2: Convert to fraction form
    39,972.35/55,163.63 = 22,982.11/x
  3. Step 3: Cross multiply
    39,972.35x = 55,163.63 × 22,982.11
  4. Step 4: Simplify right side
    39,972.35x = 1,267,776,532.21
  5. Step 5: Solve for x
    x = 1,267,776,532.21/39,972.35
  6. Step 6: Final answer
    x = 31,716.34

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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.