Home / 43,704.35-65,556.56-18,728.20

Finding the Fourth Proportional to 43,704.35, 65,556.56 and 18,728.20

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Solution

The fourth proportional to 43,704.35, 65,556.56 and 18,728.20 is: 28,092.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,704.35 : 65,556.56 = 18,728.20 : x
  2. Step 2: Convert to fraction form
    43,704.35/65,556.56 = 18,728.20/x
  3. Step 3: Cross multiply
    43,704.35x = 65,556.56 × 18,728.20
  4. Step 4: Simplify right side
    43,704.35x = 1,227,756,366.99
  5. Step 5: Solve for x
    x = 1,227,756,366.99/43,704.35
  6. Step 6: Final answer
    x = 28,092.31

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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.