Home / 36,405.58-54,608.32-11,447.81

Finding the Fourth Proportional to 36,405.58, 54,608.32 and 11,447.81

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Solution

The fourth proportional to 36,405.58, 54,608.32 and 11,447.81 is: 17,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,405.58 : 54,608.32 = 11,447.81 : x
  2. Step 2: Convert to fraction form
    36,405.58/54,608.32 = 11,447.81/x
  3. Step 3: Cross multiply
    36,405.58x = 54,608.32 × 11,447.81
  4. Step 4: Simplify right side
    36,405.58x = 625,145,671.78
  5. Step 5: Solve for x
    x = 625,145,671.78/36,405.58
  6. Step 6: Final answer
    x = 17,171.70

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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.