Finding the Fourth Proportional to 46,163.73, 63,691.79 and 28,240.05
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Solution
The fourth proportional to 46,163.73, 63,691.79 and 28,240.05 is: 38,962.61
Step by Step Solution
- Step 1: Write the proportion equation
46,163.73 : 63,691.79 = 28,240.05 : x - Step 2: Convert to fraction form
46,163.73/63,691.79 = 28,240.05/x - Step 3: Cross multiply
46,163.73x = 63,691.79 × 28,240.05 - Step 4: Simplify right side
46,163.73x = 1,798,659,192.99 - Step 5: Solve for x
x = 1,798,659,192.99/46,163.73 - Step 6: Final answer
x = 38,962.61
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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.