Finding the Fourth Proportional to 36,673.83, 54,978.35 and 15,885.99
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Solution
The fourth proportional to 36,673.83, 54,978.35 and 15,885.99 is: 23,814.95
Step by Step Solution
- Step 1: Write the proportion equation
36,673.83 : 54,978.35 = 15,885.99 : x - Step 2: Convert to fraction form
36,673.83/54,978.35 = 15,885.99/x - Step 3: Cross multiply
36,673.83x = 54,978.35 × 15,885.99 - Step 4: Simplify right side
36,673.83x = 873,385,438.89 - Step 5: Solve for x
x = 873,385,438.89/36,673.83 - Step 6: Final answer
x = 23,814.95
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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.