Home / 57,699.20-86,556.90-18,252.20

Finding the Fourth Proportional to 57,699.20, 86,556.90 and 18,252.20

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Solution

The fourth proportional to 57,699.20, 86,556.90 and 18,252.20 is: 27,380.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.20 : 86,556.90 = 18,252.20 : x
  2. Step 2: Convert to fraction form
    57,699.20/86,556.90 = 18,252.20/x
  3. Step 3: Cross multiply
    57,699.20x = 86,556.90 × 18,252.20
  4. Step 4: Simplify right side
    57,699.20x = 1,579,853,850.18
  5. Step 5: Solve for x
    x = 1,579,853,850.18/57,699.20
  6. Step 6: Final answer
    x = 27,380.86

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1.5x scale

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.