Finding the Fourth Proportional to 29,267.80, 43,901.70 and 8,207.80
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Solution
The fourth proportional to 29,267.80, 43,901.70 and 8,207.80 is: 12,311.70
Step by Step Solution
- Step 1: Write the proportion equation
29,267.80 : 43,901.70 = 8,207.80 : x - Step 2: Convert to fraction form
29,267.80/43,901.70 = 8,207.80/x - Step 3: Cross multiply
29,267.80x = 43,901.70 × 8,207.80 - Step 4: Simplify right side
29,267.80x = 360,336,373.26 - Step 5: Solve for x
x = 360,336,373.26/29,267.80 - Step 6: Final answer
x = 12,311.70
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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.