Finding the Fourth Proportional to 71,921.08, 107,877.74 and 22,001.18
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Solution
The fourth proportional to 71,921.08, 107,877.74 and 22,001.18 is: 33,000.58
Step by Step Solution
- Step 1: Write the proportion equation
71,921.08 : 107,877.74 = 22,001.18 : x - Step 2: Convert to fraction form
71,921.08/107,877.74 = 22,001.18/x - Step 3: Cross multiply
71,921.08x = 107,877.74 × 22,001.18 - Step 4: Simplify right side
71,921.08x = 2,373,437,465.73 - Step 5: Solve for x
x = 2,373,437,465.73/71,921.08 - Step 6: Final answer
x = 33,000.58
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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.