Home / 36,980.20-55,475.84-13,604.86

Finding the Fourth Proportional to 36,980.20, 55,475.84 and 13,604.86

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Solution

The fourth proportional to 36,980.20, 55,475.84 and 13,604.86 is: 20,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,980.20 : 55,475.84 = 13,604.86 : x
  2. Step 2: Convert to fraction form
    36,980.20/55,475.84 = 13,604.86/x
  3. Step 3: Cross multiply
    36,980.20x = 55,475.84 × 13,604.86
  4. Step 4: Simplify right side
    36,980.20x = 754,741,036.58
  5. Step 5: Solve for x
    x = 754,741,036.58/36,980.20
  6. Step 6: Final answer
    x = 20,409.33

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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.