Home / 31,906.95-44,034.14-18,478.44

Finding the Fourth Proportional to 31,906.95, 44,034.14 and 18,478.44

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Solution

The fourth proportional to 31,906.95, 44,034.14 and 18,478.44 is: 25,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,906.95 : 44,034.14 = 18,478.44 : x
  2. Step 2: Convert to fraction form
    31,906.95/44,034.14 = 18,478.44/x
  3. Step 3: Cross multiply
    31,906.95x = 44,034.14 × 18,478.44
  4. Step 4: Simplify right side
    31,906.95x = 813,682,121.55
  5. Step 5: Solve for x
    x = 813,682,121.55/31,906.95
  6. Step 6: Final answer
    x = 25,501.72

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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.