Finding the Fourth Proportional to 50,167.38, 69,231.57 and 28,659.99
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Solution
The fourth proportional to 50,167.38, 69,231.57 and 28,659.99 is: 39,551.12
Step by Step Solution
- Step 1: Write the proportion equation
50,167.38 : 69,231.57 = 28,659.99 : x - Step 2: Convert to fraction form
50,167.38/69,231.57 = 28,659.99/x - Step 3: Cross multiply
50,167.38x = 69,231.57 × 28,659.99 - Step 4: Simplify right side
50,167.38x = 1,984,176,103.88 - Step 5: Solve for x
x = 1,984,176,103.88/50,167.38 - Step 6: Final answer
x = 39,551.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.