Home / 57,261.40-85,917.62-22,203.76

Finding the Fourth Proportional to 57,261.40, 85,917.62 and 22,203.76

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Solution

The fourth proportional to 57,261.40, 85,917.62 and 22,203.76 is: 33,315.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.40 : 85,917.62 = 22,203.76 : x
  2. Step 2: Convert to fraction form
    57,261.40/85,917.62 = 22,203.76/x
  3. Step 3: Cross multiply
    57,261.40x = 85,917.62 × 22,203.76
  4. Step 4: Simplify right side
    57,261.40x = 1,907,694,214.25
  5. Step 5: Solve for x
    x = 1,907,694,214.25/57,261.40
  6. Step 6: Final answer
    x = 33,315.54

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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.