Home / 38,698.14-57,969.42-20,191.26

Finding the Fourth Proportional to 38,698.14, 57,969.42 and 20,191.26

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Solution

The fourth proportional to 38,698.14, 57,969.42 and 20,191.26 is: 30,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.14 : 57,969.42 = 20,191.26 : x
  2. Step 2: Convert to fraction form
    38,698.14/57,969.42 = 20,191.26/x
  3. Step 3: Cross multiply
    38,698.14x = 57,969.42 × 20,191.26
  4. Step 4: Simplify right side
    38,698.14x = 1,170,475,631.27
  5. Step 5: Solve for x
    x = 1,170,475,631.27/38,698.14
  6. Step 6: Final answer
    x = 30,246.30

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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.