Home / 57,321.96-85,949.80-22,220.61

Finding the Fourth Proportional to 57,321.96, 85,949.80 and 22,220.61

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Solution

The fourth proportional to 57,321.96, 85,949.80 and 22,220.61 is: 33,318.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.96 : 85,949.80 = 22,220.61 : x
  2. Step 2: Convert to fraction form
    57,321.96/85,949.80 = 22,220.61/x
  3. Step 3: Cross multiply
    57,321.96x = 85,949.80 × 22,220.61
  4. Step 4: Simplify right side
    57,321.96x = 1,909,856,985.38
  5. Step 5: Solve for x
    x = 1,909,856,985.38/57,321.96
  6. Step 6: Final answer
    x = 33,318.07

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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.