Home / 50,331.04-75,441.20-20,732.73

Finding the Fourth Proportional to 50,331.04, 75,441.20 and 20,732.73

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Solution

The fourth proportional to 50,331.04, 75,441.20 and 20,732.73 is: 31,076.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,331.04 : 75,441.20 = 20,732.73 : x
  2. Step 2: Convert to fraction form
    50,331.04/75,441.20 = 20,732.73/x
  3. Step 3: Cross multiply
    50,331.04x = 75,441.20 × 20,732.73
  4. Step 4: Simplify right side
    50,331.04x = 1,564,101,643.91
  5. Step 5: Solve for x
    x = 1,564,101,643.91/50,331.04
  6. Step 6: Final answer
    x = 31,076.28

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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.