Finding the Fourth Proportional to 70,955.56, 106,454.24 and 21,037.08
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Solution
The fourth proportional to 70,955.56, 106,454.24 and 21,037.08 is: 31,561.82
Step by Step Solution
- Step 1: Write the proportion equation
70,955.56 : 106,454.24 = 21,037.08 : x - Step 2: Convert to fraction form
70,955.56/106,454.24 = 21,037.08/x - Step 3: Cross multiply
70,955.56x = 106,454.24 × 21,037.08 - Step 4: Simplify right side
70,955.56x = 2,239,486,363.22 - Step 5: Solve for x
x = 2,239,486,363.22/70,955.56 - Step 6: Final answer
x = 31,561.82
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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.