Home / 36,810.11-55,173.78-18,747.65

Finding the Fourth Proportional to 36,810.11, 55,173.78 and 18,747.65

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Solution

The fourth proportional to 36,810.11, 55,173.78 and 18,747.65 is: 28,100.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,810.11 : 55,173.78 = 18,747.65 : x
  2. Step 2: Convert to fraction form
    36,810.11/55,173.78 = 18,747.65/x
  3. Step 3: Cross multiply
    36,810.11x = 55,173.78 × 18,747.65
  4. Step 4: Simplify right side
    36,810.11x = 1,034,378,440.75
  5. Step 5: Solve for x
    x = 1,034,378,440.75/36,810.11
  6. Step 6: Final answer
    x = 28,100.39

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1.5x scale

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.