Home / 43,749.38-65,544.80-20,076.73

Finding the Fourth Proportional to 43,749.38, 65,544.80 and 20,076.73

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Solution

The fourth proportional to 43,749.38, 65,544.80 and 20,076.73 is: 30,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,749.38 : 65,544.80 = 20,076.73 : x
  2. Step 2: Convert to fraction form
    43,749.38/65,544.80 = 20,076.73/x
  3. Step 3: Cross multiply
    43,749.38x = 65,544.80 × 20,076.73
  4. Step 4: Simplify right side
    43,749.38x = 1,315,924,988.26
  5. Step 5: Solve for x
    x = 1,315,924,988.26/43,749.38
  6. Step 6: Final answer
    x = 30,078.71

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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.