Finding the Fourth Proportional to 55,426.95, 83,152.71 and 15,980.99
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Solution
The fourth proportional to 55,426.95, 83,152.71 and 15,980.99 is: 23,975.02
Step by Step Solution
- Step 1: Write the proportion equation
55,426.95 : 83,152.71 = 15,980.99 : x - Step 2: Convert to fraction form
55,426.95/83,152.71 = 15,980.99/x - Step 3: Cross multiply
55,426.95x = 83,152.71 × 15,980.99 - Step 4: Simplify right side
55,426.95x = 1,328,862,211.22 - Step 5: Solve for x
x = 1,328,862,211.22/55,426.95 - Step 6: Final answer
x = 23,975.02
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1.5x scale
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.