Finding the Fourth Proportional to 79,038.36, 118,557.64 and 19,874.03
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Solution
The fourth proportional to 79,038.36, 118,557.64 and 19,874.03 is: 29,811.07
Step by Step Solution
- Step 1: Write the proportion equation
79,038.36 : 118,557.64 = 19,874.03 : x - Step 2: Convert to fraction form
79,038.36/118,557.64 = 19,874.03/x - Step 3: Cross multiply
79,038.36x = 118,557.64 × 19,874.03 - Step 4: Simplify right side
79,038.36x = 2,356,218,094.09 - Step 5: Solve for x
x = 2,356,218,094.09/79,038.36 - Step 6: Final answer
x = 29,811.07
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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.