Finding the Fourth Proportional to 50,404.48, 69,557.64 and 27,742.99
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Solution
The fourth proportional to 50,404.48, 69,557.64 and 27,742.99 is: 38,285.02
Step by Step Solution
- Step 1: Write the proportion equation
50,404.48 : 69,557.64 = 27,742.99 : x - Step 2: Convert to fraction form
50,404.48/69,557.64 = 27,742.99/x - Step 3: Cross multiply
50,404.48x = 69,557.64 × 27,742.99 - Step 4: Simplify right side
50,404.48x = 1,929,736,633.01 - Step 5: Solve for x
x = 1,929,736,633.01/50,404.48 - Step 6: Final answer
x = 38,285.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.