Finding the Fourth Proportional to 38,246.60, 57,361.26 and 14,545.74
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Solution
The fourth proportional to 38,246.60, 57,361.26 and 14,545.74 is: 21,815.32
Step by Step Solution
- Step 1: Write the proportion equation
38,246.60 : 57,361.26 = 14,545.74 : x - Step 2: Convert to fraction form
38,246.60/57,361.26 = 14,545.74/x - Step 3: Cross multiply
38,246.60x = 57,361.26 × 14,545.74 - Step 4: Simplify right side
38,246.60x = 834,361,974.03 - Step 5: Solve for x
x = 834,361,974.03/38,246.60 - Step 6: Final answer
x = 21,815.32
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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.