Home / 31,482.44-43,448.34-18,906.92

Finding the Fourth Proportional to 31,482.44, 43,448.34 and 18,906.92

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Solution

The fourth proportional to 31,482.44, 43,448.34 and 18,906.92 is: 26,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,482.44 : 43,448.34 = 18,906.92 : x
  2. Step 2: Convert to fraction form
    31,482.44/43,448.34 = 18,906.92/x
  3. Step 3: Cross multiply
    31,482.44x = 43,448.34 × 18,906.92
  4. Step 4: Simplify right side
    31,482.44x = 821,474,288.51
  5. Step 5: Solve for x
    x = 821,474,288.51/31,482.44
  6. Step 6: Final answer
    x = 26,093.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.