Finding the Fourth Proportional to 71,558.50, 107,337.76 and 22,310.50
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Solution
The fourth proportional to 71,558.50, 107,337.76 and 22,310.50 is: 33,465.75
Step by Step Solution
- Step 1: Write the proportion equation
71,558.50 : 107,337.76 = 22,310.50 : x - Step 2: Convert to fraction form
71,558.50/107,337.76 = 22,310.50/x - Step 3: Cross multiply
71,558.50x = 107,337.76 × 22,310.50 - Step 4: Simplify right side
71,558.50x = 2,394,759,094.48 - Step 5: Solve for x
x = 2,394,759,094.48/71,558.50 - Step 6: Final answer
x = 33,465.75
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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.