Finding the Fourth Proportional to 79,657.21, 119,485.82 and 32,911.30
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Solution
The fourth proportional to 79,657.21, 119,485.82 and 32,911.30 is: 49,366.95
Step by Step Solution
- Step 1: Write the proportion equation
79,657.21 : 119,485.82 = 32,911.30 : x - Step 2: Convert to fraction form
79,657.21/119,485.82 = 32,911.30/x - Step 3: Cross multiply
79,657.21x = 119,485.82 × 32,911.30 - Step 4: Simplify right side
79,657.21x = 3,932,433,667.77 - Step 5: Solve for x
x = 3,932,433,667.77/79,657.21 - Step 6: Final answer
x = 49,366.95
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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.