Finding the Fourth Proportional to 50,737.41, 70,015.15 and 28,075.99
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Solution
The fourth proportional to 50,737.41, 70,015.15 and 28,075.99 is: 38,743.50
Step by Step Solution
- Step 1: Write the proportion equation
50,737.41 : 70,015.15 = 28,075.99 : x - Step 2: Convert to fraction form
50,737.41/70,015.15 = 28,075.99/x - Step 3: Cross multiply
50,737.41x = 70,015.15 × 28,075.99 - Step 4: Simplify right side
50,737.41x = 1,965,744,651.25 - Step 5: Solve for x
x = 1,965,744,651.25/50,737.41 - Step 6: Final answer
x = 38,743.50
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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.