Home / 49,768.84-68,669.22-28,253.92

Finding the Fourth Proportional to 49,768.84, 68,669.22 and 28,253.92

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Solution

The fourth proportional to 49,768.84, 68,669.22 and 28,253.92 is: 38,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,768.84 : 68,669.22 = 28,253.92 : x
  2. Step 2: Convert to fraction form
    49,768.84/68,669.22 = 28,253.92/x
  3. Step 3: Cross multiply
    49,768.84x = 68,669.22 × 28,253.92
  4. Step 4: Simplify right side
    49,768.84x = 1,940,174,648.34
  5. Step 5: Solve for x
    x = 1,940,174,648.34/49,768.84
  6. Step 6: Final answer
    x = 38,983.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.