Finding the Fourth Proportional to 42,804.09, 59,069.79 and 23,940
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Solution
The fourth proportional to 42,804.09, 59,069.79 and 23,940 is: 33,037.28
Step by Step Solution
- Step 1: Write the proportion equation
42,804.09 : 59,069.79 = 23,940 : x - Step 2: Convert to fraction form
42,804.09/59,069.79 = 23,940/x - Step 3: Cross multiply
42,804.09x = 59,069.79 × 23,940 - Step 4: Simplify right side
42,804.09x = 1,414,130,772.60 - Step 5: Solve for x
x = 1,414,130,772.60/42,804.09 - Step 6: Final answer
x = 33,037.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.