Home / 49,072.84-67,719.42-28,658.44

Finding the Fourth Proportional to 49,072.84, 67,719.42 and 28,658.44

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Solution

The fourth proportional to 49,072.84, 67,719.42 and 28,658.44 is: 39,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,072.84 : 67,719.42 = 28,658.44 : x
  2. Step 2: Convert to fraction form
    49,072.84/67,719.42 = 28,658.44/x
  3. Step 3: Cross multiply
    49,072.84x = 67,719.42 × 28,658.44
  4. Step 4: Simplify right side
    49,072.84x = 1,940,732,934.90
  5. Step 5: Solve for x
    x = 1,940,732,934.90/49,072.84
  6. Step 6: Final answer
    x = 39,548.01

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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.