Home / 39,993.68-55,190.94-22,089.92

Finding the Fourth Proportional to 39,993.68, 55,190.94 and 22,089.92

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Solution

The fourth proportional to 39,993.68, 55,190.94 and 22,089.92 is: 30,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.68 : 55,190.94 = 22,089.92 : x
  2. Step 2: Convert to fraction form
    39,993.68/55,190.94 = 22,089.92/x
  3. Step 3: Cross multiply
    39,993.68x = 55,190.94 × 22,089.92
  4. Step 4: Simplify right side
    39,993.68x = 1,219,163,173.37
  5. Step 5: Solve for x
    x = 1,219,163,173.37/39,993.68
  6. Step 6: Final answer
    x = 30,483.90

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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.