Finding the Fourth Proportional to 43,343.18, 65,017.20 and 12,176
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Solution
The fourth proportional to 43,343.18, 65,017.20 and 12,176 is: 18,264.68
Step by Step Solution
- Step 1: Write the proportion equation
43,343.18 : 65,017.20 = 12,176 : x - Step 2: Convert to fraction form
43,343.18/65,017.20 = 12,176/x - Step 3: Cross multiply
43,343.18x = 65,017.20 × 12,176 - Step 4: Simplify right side
43,343.18x = 791,649,427.20 - Step 5: Solve for x
x = 791,649,427.20/43,343.18 - Step 6: Final answer
x = 18,264.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.