Home / 57,328.05-85,940.22-20,383.41

Finding the Fourth Proportional to 57,328.05, 85,940.22 and 20,383.41

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Solution

The fourth proportional to 57,328.05, 85,940.22 and 20,383.41 is: 30,556.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,328.05 : 85,940.22 = 20,383.41 : x
  2. Step 2: Convert to fraction form
    57,328.05/85,940.22 = 20,383.41/x
  3. Step 3: Cross multiply
    57,328.05x = 85,940.22 × 20,383.41
  4. Step 4: Simplify right side
    57,328.05x = 1,751,754,739.75
  5. Step 5: Solve for x
    x = 1,751,754,739.75/57,328.05
  6. Step 6: Final answer
    x = 30,556.68

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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.