Home / 57,971.70-86,961.60-22,906.80

Finding the Fourth Proportional to 57,971.70, 86,961.60 and 22,906.80

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Solution

The fourth proportional to 57,971.70, 86,961.60 and 22,906.80 is: 34,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,971.70 : 86,961.60 = 22,906.80 : x
  2. Step 2: Convert to fraction form
    57,971.70/86,961.60 = 22,906.80/x
  3. Step 3: Cross multiply
    57,971.70x = 86,961.60 × 22,906.80
  4. Step 4: Simplify right side
    57,971.70x = 1,992,011,978.88
  5. Step 5: Solve for x
    x = 1,992,011,978.88/57,971.70
  6. Step 6: Final answer
    x = 34,361.80

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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.