Home / 49,890.60-68,851.62-28,671.84

Finding the Fourth Proportional to 49,890.60, 68,851.62 and 28,671.84

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Solution

The fourth proportional to 49,890.60, 68,851.62 and 28,671.84 is: 39,568.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890.60 : 68,851.62 = 28,671.84 : x
  2. Step 2: Convert to fraction form
    49,890.60/68,851.62 = 28,671.84/x
  3. Step 3: Cross multiply
    49,890.60x = 68,851.62 × 28,671.84
  4. Step 4: Simplify right side
    49,890.60x = 1,974,102,632.38
  5. Step 5: Solve for x
    x = 1,974,102,632.38/49,890.60
  6. Step 6: Final answer
    x = 39,568.63

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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.