Home / 48,021.75-72,033.03-16,857

Finding the Fourth Proportional to 48,021.75, 72,033.03 and 16,857

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Solution

The fourth proportional to 48,021.75, 72,033.03 and 16,857 is: 25,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,021.75 : 72,033.03 = 16,857 : x
  2. Step 2: Convert to fraction form
    48,021.75/72,033.03 = 16,857/x
  3. Step 3: Cross multiply
    48,021.75x = 72,033.03 × 16,857
  4. Step 4: Simplify right side
    48,021.75x = 1,214,260,786.71
  5. Step 5: Solve for x
    x = 1,214,260,786.71/48,021.75
  6. Step 6: Final answer
    x = 25,285.64

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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.