Home / 30,231.92-45,340.58-9,455.42

Finding the Fourth Proportional to 30,231.92, 45,340.58 and 9,455.42

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Solution

The fourth proportional to 30,231.92, 45,340.58 and 9,455.42 is: 14,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,231.92 : 45,340.58 = 9,455.42 : x
  2. Step 2: Convert to fraction form
    30,231.92/45,340.58 = 9,455.42/x
  3. Step 3: Cross multiply
    30,231.92x = 45,340.58 × 9,455.42
  4. Step 4: Simplify right side
    30,231.92x = 428,714,226.94
  5. Step 5: Solve for x
    x = 428,714,226.94/30,231.92
  6. Step 6: Final answer
    x = 14,180.85

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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.