Home / 31,180.76-46,770.80-8,993.42

Finding the Fourth Proportional to 31,180.76, 46,770.80 and 8,993.42

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Solution

The fourth proportional to 31,180.76, 46,770.80 and 8,993.42 is: 13,490.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.76 : 46,770.80 = 8,993.42 : x
  2. Step 2: Convert to fraction form
    31,180.76/46,770.80 = 8,993.42/x
  3. Step 3: Cross multiply
    31,180.76x = 46,770.80 × 8,993.42
  4. Step 4: Simplify right side
    31,180.76x = 420,629,448.14
  5. Step 5: Solve for x
    x = 420,629,448.14/31,180.76
  6. Step 6: Final answer
    x = 13,490.03

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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.