Home / 38,266.97-57,277.67-20,453.18

Finding the Fourth Proportional to 38,266.97, 57,277.67 and 20,453.18

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Solution

The fourth proportional to 38,266.97, 57,277.67 and 20,453.18 is: 30,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,266.97 : 57,277.67 = 20,453.18 : x
  2. Step 2: Convert to fraction form
    38,266.97/57,277.67 = 20,453.18/x
  3. Step 3: Cross multiply
    38,266.97x = 57,277.67 × 20,453.18
  4. Step 4: Simplify right side
    38,266.97x = 1,171,510,105.84
  5. Step 5: Solve for x
    x = 1,171,510,105.84/38,266.97
  6. Step 6: Final answer
    x = 30,614.14

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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.