Home / 31,107.96-46,669.20-10,331.44

Finding the Fourth Proportional to 31,107.96, 46,669.20 and 10,331.44

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Solution

The fourth proportional to 31,107.96, 46,669.20 and 10,331.44 is: 15,499.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.96 : 46,669.20 = 10,331.44 : x
  2. Step 2: Convert to fraction form
    31,107.96/46,669.20 = 10,331.44/x
  3. Step 3: Cross multiply
    31,107.96x = 46,669.20 × 10,331.44
  4. Step 4: Simplify right side
    31,107.96x = 482,160,039.65
  5. Step 5: Solve for x
    x = 482,160,039.65/31,107.96
  6. Step 6: Final answer
    x = 15,499.57

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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.