Finding the Fourth Proportional to 75,021.14, 112,514.97 and 22,423.79
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Solution
The fourth proportional to 75,021.14, 112,514.97 and 22,423.79 is: 33,630.68
Step by Step Solution
- Step 1: Write the proportion equation
75,021.14 : 112,514.97 = 22,423.79 : x - Step 2: Convert to fraction form
75,021.14/112,514.97 = 22,423.79/x - Step 3: Cross multiply
75,021.14x = 112,514.97 × 22,423.79 - Step 4: Simplify right side
75,021.14x = 2,523,012,059.14 - Step 5: Solve for x
x = 2,523,012,059.14/75,021.14 - Step 6: Final answer
x = 33,630.68
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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.