Finding the Fourth Proportional to 73,647.99, 110,471.99 and 20,338.21
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Solution
The fourth proportional to 73,647.99, 110,471.99 and 20,338.21 is: 30,507.32
Step by Step Solution
- Step 1: Write the proportion equation
73,647.99 : 110,471.99 = 20,338.21 : x - Step 2: Convert to fraction form
73,647.99/110,471.99 = 20,338.21/x - Step 3: Cross multiply
73,647.99x = 110,471.99 × 20,338.21 - Step 4: Simplify right side
73,647.99x = 2,246,802,531.74 - Step 5: Solve for x
x = 2,246,802,531.74/73,647.99 - Step 6: Final answer
x = 30,507.32
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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.