Finding the Fourth Proportional to 84,324.48, 126,487.68 and 21,995.52
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Solution
The fourth proportional to 84,324.48, 126,487.68 and 21,995.52 is: 32,993.53
Step by Step Solution
- Step 1: Write the proportion equation
84,324.48 : 126,487.68 = 21,995.52 : x - Step 2: Convert to fraction form
84,324.48/126,487.68 = 21,995.52/x - Step 3: Cross multiply
84,324.48x = 126,487.68 × 21,995.52 - Step 4: Simplify right side
84,324.48x = 2,782,162,295.19 - Step 5: Solve for x
x = 2,782,162,295.19/84,324.48 - Step 6: Final answer
x = 32,993.53
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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.