Home / 30,855.29-46,282.94-7,481.72

Finding the Fourth Proportional to 30,855.29, 46,282.94 and 7,481.72

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Solution

The fourth proportional to 30,855.29, 46,282.94 and 7,481.72 is: 11,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,855.29 : 46,282.94 = 7,481.72 : x
  2. Step 2: Convert to fraction form
    30,855.29/46,282.94 = 7,481.72/x
  3. Step 3: Cross multiply
    30,855.29x = 46,282.94 × 7,481.72
  4. Step 4: Simplify right side
    30,855.29x = 346,275,960.45
  5. Step 5: Solve for x
    x = 346,275,960.45/30,855.29
  6. Step 6: Final answer
    x = 11,222.58

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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.