Home / 31,998.73-44,172.37-20,673.71

Finding the Fourth Proportional to 31,998.73, 44,172.37 and 20,673.71

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Solution

The fourth proportional to 31,998.73, 44,172.37 and 20,673.71 is: 28,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,998.73 : 44,172.37 = 20,673.71 : x
  2. Step 2: Convert to fraction form
    31,998.73/44,172.37 = 20,673.71/x
  3. Step 3: Cross multiply
    31,998.73x = 44,172.37 × 20,673.71
  4. Step 4: Simplify right side
    31,998.73x = 913,206,986.49
  5. Step 5: Solve for x
    x = 913,206,986.49/31,998.73
  6. Step 6: Final answer
    x = 28,538.85

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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.