Home / 30,076.92-45,102.24-9,295.56

Finding the Fourth Proportional to 30,076.92, 45,102.24 and 9,295.56

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Solution

The fourth proportional to 30,076.92, 45,102.24 and 9,295.56 is: 13,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.92 : 45,102.24 = 9,295.56 : x
  2. Step 2: Convert to fraction form
    30,076.92/45,102.24 = 9,295.56/x
  3. Step 3: Cross multiply
    30,076.92x = 45,102.24 × 9,295.56
  4. Step 4: Simplify right side
    30,076.92x = 419,250,578.05
  5. Step 5: Solve for x
    x = 419,250,578.05/30,076.92
  6. Step 6: Final answer
    x = 13,939.28

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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.