Home / 39,993.89-55,192.39-22,090.05

Finding the Fourth Proportional to 39,993.89, 55,192.39 and 22,090.05

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Solution

The fourth proportional to 39,993.89, 55,192.39 and 22,090.05 is: 30,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,993.89 : 55,192.39 = 22,090.05 : x
  2. Step 2: Convert to fraction form
    39,993.89/55,192.39 = 22,090.05/x
  3. Step 3: Cross multiply
    39,993.89x = 55,192.39 × 22,090.05
  4. Step 4: Simplify right side
    39,993.89x = 1,219,202,599.49
  5. Step 5: Solve for x
    x = 1,219,202,599.49/39,993.89
  6. Step 6: Final answer
    x = 30,484.73

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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.