Home / 35,900.26-49,538.80-20,797.78

Finding the Fourth Proportional to 35,900.26, 49,538.80 and 20,797.78

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Solution

The fourth proportional to 35,900.26, 49,538.80 and 20,797.78 is: 28,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,900.26 : 49,538.80 = 20,797.78 : x
  2. Step 2: Convert to fraction form
    35,900.26/49,538.80 = 20,797.78/x
  3. Step 3: Cross multiply
    35,900.26x = 49,538.80 × 20,797.78
  4. Step 4: Simplify right side
    35,900.26x = 1,030,297,063.86
  5. Step 5: Solve for x
    x = 1,030,297,063.86/35,900.26
  6. Step 6: Final answer
    x = 28,698.87

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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.