Home / 31,821.24-43,912.08-17,674.92

Finding the Fourth Proportional to 31,821.24, 43,912.08 and 17,674.92

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Solution

The fourth proportional to 31,821.24, 43,912.08 and 17,674.92 is: 24,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,821.24 : 43,912.08 = 17,674.92 : x
  2. Step 2: Convert to fraction form
    31,821.24/43,912.08 = 17,674.92/x
  3. Step 3: Cross multiply
    31,821.24x = 43,912.08 × 17,674.92
  4. Step 4: Simplify right side
    31,821.24x = 776,142,501.03
  5. Step 5: Solve for x
    x = 776,142,501.03/31,821.24
  6. Step 6: Final answer
    x = 24,390.71

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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.