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Finding the Fourth Proportional to 35,611.95, 49,144.02 and 19,696.67

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Solution

The fourth proportional to 35,611.95, 49,144.02 and 19,696.67 is: 27,181.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,611.95 : 49,144.02 = 19,696.67 : x
  2. Step 2: Convert to fraction form
    35,611.95/49,144.02 = 19,696.67/x
  3. Step 3: Cross multiply
    35,611.95x = 49,144.02 × 19,696.67
  4. Step 4: Simplify right side
    35,611.95x = 967,973,409.12
  5. Step 5: Solve for x
    x = 967,973,409.12/35,611.95
  6. Step 6: Final answer
    x = 27,181.14

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1.5x scale

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.