Finding the Fourth Proportional to 73,924.58, 110,874.74 and 20,620.19
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Solution
The fourth proportional to 73,924.58, 110,874.74 and 20,620.19 is: 30,926.90
Step by Step Solution
- Step 1: Write the proportion equation
73,924.58 : 110,874.74 = 20,620.19 : x - Step 2: Convert to fraction form
73,924.58/110,874.74 = 20,620.19/x - Step 3: Cross multiply
73,924.58x = 110,874.74 × 20,620.19 - Step 4: Simplify right side
73,924.58x = 2,286,258,205.00 - Step 5: Solve for x
x = 2,286,258,205.00/73,924.58 - Step 6: Final answer
x = 30,926.90
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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.