Home / 20,177.44-30,266.31-7,029.79

Finding the Fourth Proportional to 20,177.44, 30,266.31 and 7,029.79

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Solution

The fourth proportional to 20,177.44, 30,266.31 and 7,029.79 is: 10,544.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.44 : 30,266.31 = 7,029.79 : x
  2. Step 2: Convert to fraction form
    20,177.44/30,266.31 = 7,029.79/x
  3. Step 3: Cross multiply
    20,177.44x = 30,266.31 × 7,029.79
  4. Step 4: Simplify right side
    20,177.44x = 212,765,803.37
  5. Step 5: Solve for x
    x = 212,765,803.37/20,177.44
  6. Step 6: Final answer
    x = 10,544.74

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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.