Home / 36,908.09-55,362.39-15,830.34

Finding the Fourth Proportional to 36,908.09, 55,362.39 and 15,830.34

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Solution

The fourth proportional to 36,908.09, 55,362.39 and 15,830.34 is: 23,745.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,908.09 : 55,362.39 = 15,830.34 : x
  2. Step 2: Convert to fraction form
    36,908.09/55,362.39 = 15,830.34/x
  3. Step 3: Cross multiply
    36,908.09x = 55,362.39 × 15,830.34
  4. Step 4: Simplify right side
    36,908.09x = 876,405,189.94
  5. Step 5: Solve for x
    x = 876,405,189.94/36,908.09
  6. Step 6: Final answer
    x = 23,745.61

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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.