Home / 34,719.28-47,912.46-19,611.16

Finding the Fourth Proportional to 34,719.28, 47,912.46 and 19,611.16

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Solution

The fourth proportional to 34,719.28, 47,912.46 and 19,611.16 is: 27,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,719.28 : 47,912.46 = 19,611.16 : x
  2. Step 2: Convert to fraction form
    34,719.28/47,912.46 = 19,611.16/x
  3. Step 3: Cross multiply
    34,719.28x = 47,912.46 × 19,611.16
  4. Step 4: Simplify right side
    34,719.28x = 939,618,919.05
  5. Step 5: Solve for x
    x = 939,618,919.05/34,719.28
  6. Step 6: Final answer
    x = 27,063.32

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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.