Finding the Fourth Proportional to 42,364.16, 63,552 and 14,664.32
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Solution
The fourth proportional to 42,364.16, 63,552 and 14,664.32 is: 21,998.47
Step by Step Solution
- Step 1: Write the proportion equation
42,364.16 : 63,552 = 14,664.32 : x - Step 2: Convert to fraction form
42,364.16/63,552 = 14,664.32/x - Step 3: Cross multiply
42,364.16x = 63,552 × 14,664.32 - Step 4: Simplify right side
42,364.16x = 931,946,864.64 - Step 5: Solve for x
x = 931,946,864.64/42,364.16 - Step 6: Final answer
x = 21,998.47
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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.