Home / 57,877.73-86,843.61-20,466.14

Finding the Fourth Proportional to 57,877.73, 86,843.61 and 20,466.14

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Solution

The fourth proportional to 57,877.73, 86,843.61 and 20,466.14 is: 30,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,877.73 : 86,843.61 = 20,466.14 : x
  2. Step 2: Convert to fraction form
    57,877.73/86,843.61 = 20,466.14/x
  3. Step 3: Cross multiply
    57,877.73x = 86,843.61 × 20,466.14
  4. Step 4: Simplify right side
    57,877.73x = 1,777,353,480.37
  5. Step 5: Solve for x
    x = 1,777,353,480.37/57,877.73
  6. Step 6: Final answer
    x = 30,708.76

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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.