Finding the Fourth Proportional to 68,607.24, 102,920.58 and 21,844.44
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Solution
The fourth proportional to 68,607.24, 102,920.58 and 21,844.44 is: 32,769.75
Step by Step Solution
- Step 1: Write the proportion equation
68,607.24 : 102,920.58 = 21,844.44 : x - Step 2: Convert to fraction form
68,607.24/102,920.58 = 21,844.44/x - Step 3: Cross multiply
68,607.24x = 102,920.58 × 21,844.44 - Step 4: Simplify right side
68,607.24x = 2,248,242,434.58 - Step 5: Solve for x
x = 2,248,242,434.58/68,607.24 - Step 6: Final answer
x = 32,769.75
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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.