Home / 48,738.72-73,093.20-20,658.25

Finding the Fourth Proportional to 48,738.72, 73,093.20 and 20,658.25

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Solution

The fourth proportional to 48,738.72, 73,093.20 and 20,658.25 is: 30,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,738.72 : 73,093.20 = 20,658.25 : x
  2. Step 2: Convert to fraction form
    48,738.72/73,093.20 = 20,658.25/x
  3. Step 3: Cross multiply
    48,738.72x = 73,093.20 × 20,658.25
  4. Step 4: Simplify right side
    48,738.72x = 1,509,977,598.90
  5. Step 5: Solve for x
    x = 1,509,977,598.90/48,738.72
  6. Step 6: Final answer
    x = 30,981.07

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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.