Home / 57,361.36-86,054.18-17,921.44

Finding the Fourth Proportional to 57,361.36, 86,054.18 and 17,921.44

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Solution

The fourth proportional to 57,361.36, 86,054.18 and 17,921.44 is: 26,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,361.36 : 86,054.18 = 17,921.44 : x
  2. Step 2: Convert to fraction form
    57,361.36/86,054.18 = 17,921.44/x
  3. Step 3: Cross multiply
    57,361.36x = 86,054.18 × 17,921.44
  4. Step 4: Simplify right side
    57,361.36x = 1,542,214,823.62
  5. Step 5: Solve for x
    x = 1,542,214,823.62/57,361.36
  6. Step 6: Final answer
    x = 26,885.96

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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.