Home / 38,145.61-57,230.84-18,426.43

Finding the Fourth Proportional to 38,145.61, 57,230.84 and 18,426.43

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Solution

The fourth proportional to 38,145.61, 57,230.84 and 18,426.43 is: 27,645.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,145.61 : 57,230.84 = 18,426.43 : x
  2. Step 2: Convert to fraction form
    38,145.61/57,230.84 = 18,426.43/x
  3. Step 3: Cross multiply
    38,145.61x = 57,230.84 × 18,426.43
  4. Step 4: Simplify right side
    38,145.61x = 1,054,560,067.10
  5. Step 5: Solve for x
    x = 1,054,560,067.10/38,145.61
  6. Step 6: Final answer
    x = 27,645.65

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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.