Home / 31,230.08-46,845.49-10,170.21

Finding the Fourth Proportional to 31,230.08, 46,845.49 and 10,170.21

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Solution

The fourth proportional to 31,230.08, 46,845.49 and 10,170.21 is: 15,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230.08 : 46,845.49 = 10,170.21 : x
  2. Step 2: Convert to fraction form
    31,230.08/46,845.49 = 10,170.21/x
  3. Step 3: Cross multiply
    31,230.08x = 46,845.49 × 10,170.21
  4. Step 4: Simplify right side
    31,230.08x = 476,428,470.85
  5. Step 5: Solve for x
    x = 476,428,470.85/31,230.08
  6. Step 6: Final answer
    x = 15,255.44

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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.