Finding the Fourth Proportional to 69,976.18, 104,944.76 and 19,363.02
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Solution
The fourth proportional to 69,976.18, 104,944.76 and 19,363.02 is: 29,039.12
Step by Step Solution
- Step 1: Write the proportion equation
69,976.18 : 104,944.76 = 19,363.02 : x - Step 2: Convert to fraction form
69,976.18/104,944.76 = 19,363.02/x - Step 3: Cross multiply
69,976.18x = 104,944.76 × 19,363.02 - Step 4: Simplify right side
69,976.18x = 2,032,046,865.24 - Step 5: Solve for x
x = 2,032,046,865.24/69,976.18 - Step 6: Final answer
x = 29,039.12
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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.