Finding the Fourth Proportional to 38,246.60, 57,347.62 and 14,845.70
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Solution
The fourth proportional to 38,246.60, 57,347.62 and 14,845.70 is: 22,259.90
Step by Step Solution
- Step 1: Write the proportion equation
38,246.60 : 57,347.62 = 14,845.70 : x - Step 2: Convert to fraction form
38,246.60/57,347.62 = 14,845.70/x - Step 3: Cross multiply
38,246.60x = 57,347.62 × 14,845.70 - Step 4: Simplify right side
38,246.60x = 851,365,562.23 - Step 5: Solve for x
x = 851,365,562.23/38,246.60 - Step 6: Final answer
x = 22,259.90
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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.