Home / 36,198.89-54,313.83-18,681.02

Finding the Fourth Proportional to 36,198.89, 54,313.83 and 18,681.02

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Solution

The fourth proportional to 36,198.89, 54,313.83 and 18,681.02 is: 28,029.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,198.89 : 54,313.83 = 18,681.02 : x
  2. Step 2: Convert to fraction form
    36,198.89/54,313.83 = 18,681.02/x
  3. Step 3: Cross multiply
    36,198.89x = 54,313.83 × 18,681.02
  4. Step 4: Simplify right side
    36,198.89x = 1,014,637,744.51
  5. Step 5: Solve for x
    x = 1,014,637,744.51/36,198.89
  6. Step 6: Final answer
    x = 28,029.53

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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.