Home / 50,028.32-75,042.62-20,446.16

Finding the Fourth Proportional to 50,028.32, 75,042.62 and 20,446.16

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Solution

The fourth proportional to 50,028.32, 75,042.62 and 20,446.16 is: 30,669.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,028.32 : 75,042.62 = 20,446.16 : x
  2. Step 2: Convert to fraction form
    50,028.32/75,042.62 = 20,446.16/x
  3. Step 3: Cross multiply
    50,028.32x = 75,042.62 × 20,446.16
  4. Step 4: Simplify right side
    50,028.32x = 1,534,332,937.90
  5. Step 5: Solve for x
    x = 1,534,332,937.90/50,028.32
  6. Step 6: Final answer
    x = 30,669.29

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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.