Home / 31,268.19-43,187.97-22,756.82

Finding the Fourth Proportional to 31,268.19, 43,187.97 and 22,756.82

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Solution

The fourth proportional to 31,268.19, 43,187.97 and 22,756.82 is: 31,431.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.19 : 43,187.97 = 22,756.82 : x
  2. Step 2: Convert to fraction form
    31,268.19/43,187.97 = 22,756.82/x
  3. Step 3: Cross multiply
    31,268.19x = 43,187.97 × 22,756.82
  4. Step 4: Simplify right side
    31,268.19x = 982,820,643.52
  5. Step 5: Solve for x
    x = 982,820,643.52/31,268.19
  6. Step 6: Final answer
    x = 31,431.96

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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.