Home / 57,452.24-86,178.38-18,012.42

Finding the Fourth Proportional to 57,452.24, 86,178.38 and 18,012.42

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Solution

The fourth proportional to 57,452.24, 86,178.38 and 18,012.42 is: 27,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.24 : 86,178.38 = 18,012.42 : x
  2. Step 2: Convert to fraction form
    57,452.24/86,178.38 = 18,012.42/x
  3. Step 3: Cross multiply
    57,452.24x = 86,178.38 × 18,012.42
  4. Step 4: Simplify right side
    57,452.24x = 1,552,281,459.25
  5. Step 5: Solve for x
    x = 1,552,281,459.25/57,452.24
  6. Step 6: Final answer
    x = 27,018.64

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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.