Home / 57,745.10-86,620.08-18,301.34

Finding the Fourth Proportional to 57,745.10, 86,620.08 and 18,301.34

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Solution

The fourth proportional to 57,745.10, 86,620.08 and 18,301.34 is: 27,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,745.10 : 86,620.08 = 18,301.34 : x
  2. Step 2: Convert to fraction form
    57,745.10/86,620.08 = 18,301.34/x
  3. Step 3: Cross multiply
    57,745.10x = 86,620.08 × 18,301.34
  4. Step 4: Simplify right side
    57,745.10x = 1,585,263,101.81
  5. Step 5: Solve for x
    x = 1,585,263,101.81/57,745.10
  6. Step 6: Final answer
    x = 27,452.78

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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.