Home / 57,464.22-86,199.96-20,022.78

Finding the Fourth Proportional to 57,464.22, 86,199.96 and 20,022.78

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Solution

The fourth proportional to 57,464.22, 86,199.96 and 20,022.78 is: 30,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,464.22 : 86,199.96 = 20,022.78 : x
  2. Step 2: Convert to fraction form
    57,464.22/86,199.96 = 20,022.78/x
  3. Step 3: Cross multiply
    57,464.22x = 86,199.96 × 20,022.78
  4. Step 4: Simplify right side
    57,464.22x = 1,725,962,835.09
  5. Step 5: Solve for x
    x = 1,725,962,835.09/57,464.22
  6. Step 6: Final answer
    x = 30,035.43

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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.