Finding the Fourth Proportional to 49,801.08, 68,722.38 and 27,445.08
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Solution
The fourth proportional to 49,801.08, 68,722.38 and 27,445.08 is: 37,872.50
Step by Step Solution
- Step 1: Write the proportion equation
49,801.08 : 68,722.38 = 27,445.08 : x - Step 2: Convert to fraction form
49,801.08/68,722.38 = 27,445.08/x - Step 3: Cross multiply
49,801.08x = 68,722.38 × 27,445.08 - Step 4: Simplify right side
49,801.08x = 1,886,091,216.89 - Step 5: Solve for x
x = 1,886,091,216.89/49,801.08 - Step 6: Final answer
x = 37,872.50
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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.