Finding the Fourth Proportional to 53,771.28, 74,206.08 and 29,898.96
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Solution
The fourth proportional to 53,771.28, 74,206.08 and 29,898.96 is: 41,261.52
Step by Step Solution
- Step 1: Write the proportion equation
53,771.28 : 74,206.08 = 29,898.96 : x - Step 2: Convert to fraction form
53,771.28/74,206.08 = 29,898.96/x - Step 3: Cross multiply
53,771.28x = 74,206.08 × 29,898.96 - Step 4: Simplify right side
53,771.28x = 2,218,684,617.68 - Step 5: Solve for x
x = 2,218,684,617.68/53,771.28 - Step 6: Final answer
x = 41,261.52
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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.