Finding the Fourth Proportional to 73,410.24, 110,114.84 and 20,819.68
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Solution
The fourth proportional to 73,410.24, 110,114.84 and 20,819.68 is: 31,229.37
Step by Step Solution
- Step 1: Write the proportion equation
73,410.24 : 110,114.84 = 20,819.68 : x - Step 2: Convert to fraction form
73,410.24/110,114.84 = 20,819.68/x - Step 3: Cross multiply
73,410.24x = 110,114.84 × 20,819.68 - Step 4: Simplify right side
73,410.24x = 2,292,555,732.05 - Step 5: Solve for x
x = 2,292,555,732.05/73,410.24 - Step 6: Final answer
x = 31,229.37
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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.