Home / 30,226.49-45,339.66-8,039.87

Finding the Fourth Proportional to 30,226.49, 45,339.66 and 8,039.87

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Solution

The fourth proportional to 30,226.49, 45,339.66 and 8,039.87 is: 12,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.49 : 45,339.66 = 8,039.87 : x
  2. Step 2: Convert to fraction form
    30,226.49/45,339.66 = 8,039.87/x
  3. Step 3: Cross multiply
    30,226.49x = 45,339.66 × 8,039.87
  4. Step 4: Simplify right side
    30,226.49x = 364,524,932.04
  5. Step 5: Solve for x
    x = 364,524,932.04/30,226.49
  6. Step 6: Final answer
    x = 12,059.78

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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.