Home / 55,204.55-82,808.18-20,144.19

Finding the Fourth Proportional to 55,204.55, 82,808.18 and 20,144.19

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Solution

The fourth proportional to 55,204.55, 82,808.18 and 20,144.19 is: 30,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,204.55 : 82,808.18 = 20,144.19 : x
  2. Step 2: Convert to fraction form
    55,204.55/82,808.18 = 20,144.19/x
  3. Step 3: Cross multiply
    55,204.55x = 82,808.18 × 20,144.19
  4. Step 4: Simplify right side
    55,204.55x = 1,668,103,610.75
  5. Step 5: Solve for x
    x = 1,668,103,610.75/55,204.55
  6. Step 6: Final answer
    x = 30,216.78

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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.