Home / 55,736.55-83,604.60-20,189.56

Finding the Fourth Proportional to 55,736.55, 83,604.60 and 20,189.56

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Solution

The fourth proportional to 55,736.55, 83,604.60 and 20,189.56 is: 30,284.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,736.55 : 83,604.60 = 20,189.56 : x
  2. Step 2: Convert to fraction form
    55,736.55/83,604.60 = 20,189.56/x
  3. Step 3: Cross multiply
    55,736.55x = 83,604.60 × 20,189.56
  4. Step 4: Simplify right side
    55,736.55x = 1,687,939,929.44
  5. Step 5: Solve for x
    x = 1,687,939,929.44/55,736.55
  6. Step 6: Final answer
    x = 30,284.25

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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.