Finding the Fourth Proportional to 73,963.36, 110,911.36 and 21,360.32
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Solution
The fourth proportional to 73,963.36, 110,911.36 and 21,360.32 is: 32,030.75
Step by Step Solution
- Step 1: Write the proportion equation
73,963.36 : 110,911.36 = 21,360.32 : x - Step 2: Convert to fraction form
73,963.36/110,911.36 = 21,360.32/x - Step 3: Cross multiply
73,963.36x = 110,911.36 × 21,360.32 - Step 4: Simplify right side
73,963.36x = 2,369,102,141.24 - Step 5: Solve for x
x = 2,369,102,141.24/73,963.36 - Step 6: Final answer
x = 32,030.75
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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.