Home / 33,187.98-49,786.65-12,409.50

Finding the Fourth Proportional to 33,187.98, 49,786.65 and 12,409.50

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Solution

The fourth proportional to 33,187.98, 49,786.65 and 12,409.50 is: 18,616.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.98 : 49,786.65 = 12,409.50 : x
  2. Step 2: Convert to fraction form
    33,187.98/49,786.65 = 12,409.50/x
  3. Step 3: Cross multiply
    33,187.98x = 49,786.65 × 12,409.50
  4. Step 4: Simplify right side
    33,187.98x = 617,827,433.18
  5. Step 5: Solve for x
    x = 617,827,433.18/33,187.98
  6. Step 6: Final answer
    x = 18,616.00

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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.