Home / 55,327.68-82,995.84-20,266.56

Finding the Fourth Proportional to 55,327.68, 82,995.84 and 20,266.56

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Solution

The fourth proportional to 55,327.68, 82,995.84 and 20,266.56 is: 30,401.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.68 : 82,995.84 = 20,266.56 : x
  2. Step 2: Convert to fraction form
    55,327.68/82,995.84 = 20,266.56/x
  3. Step 3: Cross multiply
    55,327.68x = 82,995.84 × 20,266.56
  4. Step 4: Simplify right side
    55,327.68x = 1,682,040,171.11
  5. Step 5: Solve for x
    x = 1,682,040,171.11/55,327.68
  6. Step 6: Final answer
    x = 30,401.42

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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.