Home / 30,854.79-46,282.19-7,481.22

Finding the Fourth Proportional to 30,854.79, 46,282.19 and 7,481.22

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Solution

The fourth proportional to 30,854.79, 46,282.19 and 7,481.22 is: 11,221.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.79 : 46,282.19 = 7,481.22 : x
  2. Step 2: Convert to fraction form
    30,854.79/46,282.19 = 7,481.22/x
  3. Step 3: Cross multiply
    30,854.79x = 46,282.19 × 7,481.22
  4. Step 4: Simplify right side
    30,854.79x = 346,247,208.07
  5. Step 5: Solve for x
    x = 346,247,208.07/30,854.79
  6. Step 6: Final answer
    x = 11,221.83

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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.