Home / 36,669.66-54,993.44-19,129.92

Finding the Fourth Proportional to 36,669.66, 54,993.44 and 19,129.92

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Solution

The fourth proportional to 36,669.66, 54,993.44 and 19,129.92 is: 28,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.66 : 54,993.44 = 19,129.92 : x
  2. Step 2: Convert to fraction form
    36,669.66/54,993.44 = 19,129.92/x
  3. Step 3: Cross multiply
    36,669.66x = 54,993.44 × 19,129.92
  4. Step 4: Simplify right side
    36,669.66x = 1,052,020,107.72
  5. Step 5: Solve for x
    x = 1,052,020,107.72/36,669.66
  6. Step 6: Final answer
    x = 28,689.12

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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.