Home / 31,846.77-43,872.57-22,268.75

Finding the Fourth Proportional to 31,846.77, 43,872.57 and 22,268.75

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Solution

The fourth proportional to 31,846.77, 43,872.57 and 22,268.75 is: 30,677.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.77 : 43,872.57 = 22,268.75 : x
  2. Step 2: Convert to fraction form
    31,846.77/43,872.57 = 22,268.75/x
  3. Step 3: Cross multiply
    31,846.77x = 43,872.57 × 22,268.75
  4. Step 4: Simplify right side
    31,846.77x = 976,987,073.82
  5. Step 5: Solve for x
    x = 976,987,073.82/31,846.77
  6. Step 6: Final answer
    x = 30,677.74

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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.