Home / 30,040.62-41,442.26-19,433.67

Finding the Fourth Proportional to 30,040.62, 41,442.26 and 19,433.67

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Solution

The fourth proportional to 30,040.62, 41,442.26 and 19,433.67 is: 26,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.62 : 41,442.26 = 19,433.67 : x
  2. Step 2: Convert to fraction form
    30,040.62/41,442.26 = 19,433.67/x
  3. Step 3: Cross multiply
    30,040.62x = 41,442.26 × 19,433.67
  4. Step 4: Simplify right side
    30,040.62x = 805,375,107.73
  5. Step 5: Solve for x
    x = 805,375,107.73/30,040.62
  6. Step 6: Final answer
    x = 26,809.54

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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.