Finding the Fourth Proportional to 66,977.84, 100,481.94 and 19,594.05
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Solution
The fourth proportional to 66,977.84, 100,481.94 and 19,594.05 is: 29,395.52
Step by Step Solution
- Step 1: Write the proportion equation
66,977.84 : 100,481.94 = 19,594.05 : x - Step 2: Convert to fraction form
66,977.84/100,481.94 = 19,594.05/x - Step 3: Cross multiply
66,977.84x = 100,481.94 × 19,594.05 - Step 4: Simplify right side
66,977.84x = 1,968,848,156.46 - Step 5: Solve for x
x = 1,968,848,156.46/66,977.84 - Step 6: Final answer
x = 29,395.52
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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.