Home / 57,881.25-86,821.67-18,441.54

Finding the Fourth Proportional to 57,881.25, 86,821.67 and 18,441.54

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Solution

The fourth proportional to 57,881.25, 86,821.67 and 18,441.54 is: 27,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.25 : 86,821.67 = 18,441.54 : x
  2. Step 2: Convert to fraction form
    57,881.25/86,821.67 = 18,441.54/x
  3. Step 3: Cross multiply
    57,881.25x = 86,821.67 × 18,441.54
  4. Step 4: Simplify right side
    57,881.25x = 1,601,125,346.28
  5. Step 5: Solve for x
    x = 1,601,125,346.28/57,881.25
  6. Step 6: Final answer
    x = 27,662.25

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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.