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Finding the Fourth Proportional to 49,169.84, 73,762.95 and 15,885.97

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Solution

The fourth proportional to 49,169.84, 73,762.95 and 15,885.97 is: 23,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,169.84 : 73,762.95 = 15,885.97 : x
  2. Step 2: Convert to fraction form
    49,169.84/73,762.95 = 15,885.97/x
  3. Step 3: Cross multiply
    49,169.84x = 73,762.95 × 15,885.97
  4. Step 4: Simplify right side
    49,169.84x = 1,171,796,300.89
  5. Step 5: Solve for x
    x = 1,171,796,300.89/49,169.84
  6. Step 6: Final answer
    x = 23,831.61

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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.