Home / 36,195.89-54,309.33-18,678.02

Finding the Fourth Proportional to 36,195.89, 54,309.33 and 18,678.02

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Solution

The fourth proportional to 36,195.89, 54,309.33 and 18,678.02 is: 28,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,195.89 : 54,309.33 = 18,678.02 : x
  2. Step 2: Convert to fraction form
    36,195.89/54,309.33 = 18,678.02/x
  3. Step 3: Cross multiply
    36,195.89x = 54,309.33 × 18,678.02
  4. Step 4: Simplify right side
    36,195.89x = 1,014,390,480.38
  5. Step 5: Solve for x
    x = 1,014,390,480.38/36,195.89
  6. Step 6: Final answer
    x = 28,025.02

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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.