Home / 31,992.54-44,158.45-18,561.11

Finding the Fourth Proportional to 31,992.54, 44,158.45 and 18,561.11

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Solution

The fourth proportional to 31,992.54, 44,158.45 and 18,561.11 is: 25,619.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,992.54 : 44,158.45 = 18,561.11 : x
  2. Step 2: Convert to fraction form
    31,992.54/44,158.45 = 18,561.11/x
  3. Step 3: Cross multiply
    31,992.54x = 44,158.45 × 18,561.11
  4. Step 4: Simplify right side
    31,992.54x = 819,629,847.88
  5. Step 5: Solve for x
    x = 819,629,847.88/31,992.54
  6. Step 6: Final answer
    x = 25,619.41

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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.