Home / 30,049.20-45,074.82-10,327.62

Finding the Fourth Proportional to 30,049.20, 45,074.82 and 10,327.62

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Solution

The fourth proportional to 30,049.20, 45,074.82 and 10,327.62 is: 15,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.20 : 45,074.82 = 10,327.62 : x
  2. Step 2: Convert to fraction form
    30,049.20/45,074.82 = 10,327.62/x
  3. Step 3: Cross multiply
    30,049.20x = 45,074.82 × 10,327.62
  4. Step 4: Simplify right side
    30,049.20x = 465,515,612.53
  5. Step 5: Solve for x
    x = 465,515,612.53/30,049.20
  6. Step 6: Final answer
    x = 15,491.78

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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.