Finding the Fourth Proportional to 67,226.14, 100,829.44 and 19,838.92
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Solution
The fourth proportional to 67,226.14, 100,829.44 and 19,838.92 is: 29,755.49
Step by Step Solution
- Step 1: Write the proportion equation
67,226.14 : 100,829.44 = 19,838.92 : x - Step 2: Convert to fraction form
67,226.14/100,829.44 = 19,838.92/x - Step 3: Cross multiply
67,226.14x = 100,829.44 × 19,838.92 - Step 4: Simplify right side
67,226.14x = 2,000,346,590.46 - Step 5: Solve for x
x = 2,000,346,590.46/67,226.14 - Step 6: Final answer
x = 29,755.49
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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.