Finding the Fourth Proportional to 39,163.36, 54,056.84 and 23,855.44
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Solution
The fourth proportional to 39,163.36, 54,056.84 and 23,855.44 is: 32,927.45
Step by Step Solution
- Step 1: Write the proportion equation
39,163.36 : 54,056.84 = 23,855.44 : x - Step 2: Convert to fraction form
39,163.36/54,056.84 = 23,855.44/x - Step 3: Cross multiply
39,163.36x = 54,056.84 × 23,855.44 - Step 4: Simplify right side
39,163.36x = 1,289,549,703.21 - Step 5: Solve for x
x = 1,289,549,703.21/39,163.36 - Step 6: Final answer
x = 32,927.45
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Half scale
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Double scale
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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.