Home / 45,829.23-68,704.65-20,860.37

Finding the Fourth Proportional to 45,829.23, 68,704.65 and 20,860.37

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Solution

The fourth proportional to 45,829.23, 68,704.65 and 20,860.37 is: 31,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,829.23 : 68,704.65 = 20,860.37 : x
  2. Step 2: Convert to fraction form
    45,829.23/68,704.65 = 20,860.37/x
  3. Step 3: Cross multiply
    45,829.23x = 68,704.65 × 20,860.37
  4. Step 4: Simplify right side
    45,829.23x = 1,433,204,076.20
  5. Step 5: Solve for x
    x = 1,433,204,076.20/45,829.23
  6. Step 6: Final answer
    x = 31,272.71

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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.