Home / 55,016.20-82,556.70-19,959.40

Finding the Fourth Proportional to 55,016.20, 82,556.70 and 19,959.40

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Solution

The fourth proportional to 55,016.20, 82,556.70 and 19,959.40 is: 29,950.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,016.20 : 82,556.70 = 19,959.40 : x
  2. Step 2: Convert to fraction form
    55,016.20/82,556.70 = 19,959.40/x
  3. Step 3: Cross multiply
    55,016.20x = 82,556.70 × 19,959.40
  4. Step 4: Simplify right side
    55,016.20x = 1,647,782,197.98
  5. Step 5: Solve for x
    x = 1,647,782,197.98/55,016.20
  6. Step 6: Final answer
    x = 29,950.85

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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.