Home / 36,815.56-55,212.30-13,118.86

Finding the Fourth Proportional to 36,815.56, 55,212.30 and 13,118.86

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Solution

The fourth proportional to 36,815.56, 55,212.30 and 13,118.86 is: 19,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,815.56 : 55,212.30 = 13,118.86 : x
  2. Step 2: Convert to fraction form
    36,815.56/55,212.30 = 13,118.86/x
  3. Step 3: Cross multiply
    36,815.56x = 55,212.30 × 13,118.86
  4. Step 4: Simplify right side
    36,815.56x = 724,322,433.98
  5. Step 5: Solve for x
    x = 724,322,433.98/36,815.56
  6. Step 6: Final answer
    x = 19,674.36

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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.