Finding the Fourth Proportional to 40,459.74, 60,609.51 and 19,083.18
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Solution
The fourth proportional to 40,459.74, 60,609.51 and 19,083.18 is: 28,586.99
Step by Step Solution
- Step 1: Write the proportion equation
40,459.74 : 60,609.51 = 19,083.18 : x - Step 2: Convert to fraction form
40,459.74/60,609.51 = 19,083.18/x - Step 3: Cross multiply
40,459.74x = 60,609.51 × 19,083.18 - Step 4: Simplify right side
40,459.74x = 1,156,622,189.04 - Step 5: Solve for x
x = 1,156,622,189.04/40,459.74 - Step 6: Final answer
x = 28,586.99
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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.