Finding the Fourth Proportional to 45,676.72, 68,522.93 and 15,689.53
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Solution
The fourth proportional to 45,676.72, 68,522.93 and 15,689.53 is: 23,536.99
Step by Step Solution
- Step 1: Write the proportion equation
45,676.72 : 68,522.93 = 15,689.53 : x - Step 2: Convert to fraction form
45,676.72/68,522.93 = 15,689.53/x - Step 3: Cross multiply
45,676.72x = 68,522.93 × 15,689.53 - Step 4: Simplify right side
45,676.72x = 1,075,092,565.92 - Step 5: Solve for x
x = 1,075,092,565.92/45,676.72 - Step 6: Final answer
x = 23,536.99
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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.