Home / 31,122.62-46,682.39-11,399.68

Finding the Fourth Proportional to 31,122.62, 46,682.39 and 11,399.68

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Solution

The fourth proportional to 31,122.62, 46,682.39 and 11,399.68 is: 17,098.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,122.62 : 46,682.39 = 11,399.68 : x
  2. Step 2: Convert to fraction form
    31,122.62/46,682.39 = 11,399.68/x
  3. Step 3: Cross multiply
    31,122.62x = 46,682.39 × 11,399.68
  4. Step 4: Simplify right side
    31,122.62x = 532,164,219.43
  5. Step 5: Solve for x
    x = 532,164,219.43/31,122.62
  6. Step 6: Final answer
    x = 17,098.96

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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.