Finding the Fourth Proportional to 67,944.09, 101,921.15 and 18,023.08
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Solution
The fourth proportional to 67,944.09, 101,921.15 and 18,023.08 is: 27,035.95
Step by Step Solution
- Step 1: Write the proportion equation
67,944.09 : 101,921.15 = 18,023.08 : x - Step 2: Convert to fraction form
67,944.09/101,921.15 = 18,023.08/x - Step 3: Cross multiply
67,944.09x = 101,921.15 × 18,023.08 - Step 4: Simplify right side
67,944.09x = 1,836,932,920.12 - Step 5: Solve for x
x = 1,836,932,920.12/67,944.09 - Step 6: Final answer
x = 27,035.95
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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.