Home / 48,922.75-73,411.82-20,839.88

Finding the Fourth Proportional to 48,922.75, 73,411.82 and 20,839.88

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Solution

The fourth proportional to 48,922.75, 73,411.82 and 20,839.88 is: 31,271.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,922.75 : 73,411.82 = 20,839.88 : x
  2. Step 2: Convert to fraction form
    48,922.75/73,411.82 = 20,839.88/x
  3. Step 3: Cross multiply
    48,922.75x = 73,411.82 × 20,839.88
  4. Step 4: Simplify right side
    48,922.75x = 1,529,893,676.86
  5. Step 5: Solve for x
    x = 1,529,893,676.86/48,922.75
  6. Step 6: Final answer
    x = 31,271.62

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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.