Home / 31,105.20-46,657.56-17,949.12

Finding the Fourth Proportional to 31,105.20, 46,657.56 and 17,949.12

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Solution

The fourth proportional to 31,105.20, 46,657.56 and 17,949.12 is: 26,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,105.20 : 46,657.56 = 17,949.12 : x
  2. Step 2: Convert to fraction form
    31,105.20/46,657.56 = 17,949.12/x
  3. Step 3: Cross multiply
    31,105.20x = 46,657.56 × 17,949.12
  4. Step 4: Simplify right side
    31,105.20x = 837,462,143.35
  5. Step 5: Solve for x
    x = 837,462,143.35/31,105.20
  6. Step 6: Final answer
    x = 26,923.54

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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.