Home / 48,780.84-73,169.57-20,682.82

Finding the Fourth Proportional to 48,780.84, 73,169.57 and 20,682.82

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Solution

The fourth proportional to 48,780.84, 73,169.57 and 20,682.82 is: 31,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,780.84 : 73,169.57 = 20,682.82 : x
  2. Step 2: Convert to fraction form
    48,780.84/73,169.57 = 20,682.82/x
  3. Step 3: Cross multiply
    48,780.84x = 73,169.57 × 20,682.82
  4. Step 4: Simplify right side
    48,780.84x = 1,513,352,942.37
  5. Step 5: Solve for x
    x = 1,513,352,942.37/48,780.84
  6. Step 6: Final answer
    x = 31,023.51

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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.