Home / 37,513.28-51,768-20,745.92

Finding the Fourth Proportional to 37,513.28, 51,768 and 20,745.92

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Solution

The fourth proportional to 37,513.28, 51,768 and 20,745.92 is: 28,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,513.28 : 51,768 = 20,745.92 : x
  2. Step 2: Convert to fraction form
    37,513.28/51,768 = 20,745.92/x
  3. Step 3: Cross multiply
    37,513.28x = 51,768 × 20,745.92
  4. Step 4: Simplify right side
    37,513.28x = 1,073,974,786.56
  5. Step 5: Solve for x
    x = 1,073,974,786.56/37,513.28
  6. Step 6: Final answer
    x = 28,629.19

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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.