Finding the Fourth Proportional to 87,615.82, 131,421.84 and 24,434.26
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Solution
The fourth proportional to 87,615.82, 131,421.84 and 24,434.26 is: 36,650.86
Step by Step Solution
- Step 1: Write the proportion equation
87,615.82 : 131,421.84 = 24,434.26 : x - Step 2: Convert to fraction form
87,615.82/131,421.84 = 24,434.26/x - Step 3: Cross multiply
87,615.82x = 131,421.84 × 24,434.26 - Step 4: Simplify right side
87,615.82x = 3,211,195,408.24 - Step 5: Solve for x
x = 3,211,195,408.24/87,615.82 - Step 6: Final answer
x = 36,650.86
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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.