Home / 30,738.73-46,107.95-9,680.56

Finding the Fourth Proportional to 30,738.73, 46,107.95 and 9,680.56

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Solution

The fourth proportional to 30,738.73, 46,107.95 and 9,680.56 is: 14,520.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,738.73 : 46,107.95 = 9,680.56 : x
  2. Step 2: Convert to fraction form
    30,738.73/46,107.95 = 9,680.56/x
  3. Step 3: Cross multiply
    30,738.73x = 46,107.95 × 9,680.56
  4. Step 4: Simplify right side
    30,738.73x = 446,350,776.45
  5. Step 5: Solve for x
    x = 446,350,776.45/30,738.73
  6. Step 6: Final answer
    x = 14,520.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.