Home / 30,025.46-41,418.78-18,081.56

Finding the Fourth Proportional to 30,025.46, 41,418.78 and 18,081.56

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Solution

The fourth proportional to 30,025.46, 41,418.78 and 18,081.56 is: 24,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.46 : 41,418.78 = 18,081.56 : x
  2. Step 2: Convert to fraction form
    30,025.46/41,418.78 = 18,081.56/x
  3. Step 3: Cross multiply
    30,025.46x = 41,418.78 × 18,081.56
  4. Step 4: Simplify right side
    30,025.46x = 748,916,155.70
  5. Step 5: Solve for x
    x = 748,916,155.70/30,025.46
  6. Step 6: Final answer
    x = 24,942.70

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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.