Home / 75,618.72-113,433.30-25,678.44

Finding the Fourth Proportional to 75,618.72, 113,433.30 and 25,678.44

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Solution

The fourth proportional to 75,618.72, 113,433.30 and 25,678.44 is: 38,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,618.72 : 113,433.30 = 25,678.44 : x
  2. Step 2: Convert to fraction form
    75,618.72/113,433.30 = 25,678.44/x
  3. Step 3: Cross multiply
    75,618.72x = 113,433.30 × 25,678.44
  4. Step 4: Simplify right side
    75,618.72x = 2,912,790,188.05
  5. Step 5: Solve for x
    x = 2,912,790,188.05/75,618.72
  6. Step 6: Final answer
    x = 38,519.43

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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.