Finding the Fourth Proportional to 86,574.12, 129,866.12 and 24,249.48
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Solution
The fourth proportional to 86,574.12, 129,866.12 and 24,249.48 is: 36,375.60
Step by Step Solution
- Step 1: Write the proportion equation
86,574.12 : 129,866.12 = 24,249.48 : x - Step 2: Convert to fraction form
86,574.12/129,866.12 = 24,249.48/x - Step 3: Cross multiply
86,574.12x = 129,866.12 × 24,249.48 - Step 4: Simplify right side
86,574.12x = 3,149,185,879.62 - Step 5: Solve for x
x = 3,149,185,879.62/86,574.12 - Step 6: Final answer
x = 36,375.60
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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.