Home / 31,279.37-46,919.83-9,092.94

Finding the Fourth Proportional to 31,279.37, 46,919.83 and 9,092.94

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Solution

The fourth proportional to 31,279.37, 46,919.83 and 9,092.94 is: 13,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.37 : 46,919.83 = 9,092.94 : x
  2. Step 2: Convert to fraction form
    31,279.37/46,919.83 = 9,092.94/x
  3. Step 3: Cross multiply
    31,279.37x = 46,919.83 × 9,092.94
  4. Step 4: Simplify right side
    31,279.37x = 426,639,199.00
  5. Step 5: Solve for x
    x = 426,639,199.00/31,279.37
  6. Step 6: Final answer
    x = 13,639.64

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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.