Home / 57,998.22-86,989.05-18,550.14

Finding the Fourth Proportional to 57,998.22, 86,989.05 and 18,550.14

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Solution

The fourth proportional to 57,998.22, 86,989.05 and 18,550.14 is: 27,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.22 : 86,989.05 = 18,550.14 : x
  2. Step 2: Convert to fraction form
    57,998.22/86,989.05 = 18,550.14/x
  3. Step 3: Cross multiply
    57,998.22x = 86,989.05 × 18,550.14
  4. Step 4: Simplify right side
    57,998.22x = 1,613,659,055.97
  5. Step 5: Solve for x
    x = 1,613,659,055.97/57,998.22
  6. Step 6: Final answer
    x = 27,822.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.