Finding the Fourth Proportional to 31,751.55, 47,627.33 and 28,060.99
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Solution
The fourth proportional to 31,751.55, 47,627.33 and 28,060.99 is: 42,091.48
Step by Step Solution
- Step 1: Write the proportion equation
31,751.55 : 47,627.33 = 28,060.99 : x - Step 2: Convert to fraction form
31,751.55/47,627.33 = 28,060.99/x - Step 3: Cross multiply
31,751.55x = 47,627.33 × 28,060.99 - Step 4: Simplify right side
31,751.55x = 1,336,469,771.48 - Step 5: Solve for x
x = 1,336,469,771.48/31,751.55 - Step 6: Final answer
x = 42,091.48
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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.