Home / 20,179.56-30,249.84-10,323.48

Finding the Fourth Proportional to 20,179.56, 30,249.84 and 10,323.48

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Solution

The fourth proportional to 20,179.56, 30,249.84 and 10,323.48 is: 15,475.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.56 : 30,249.84 = 10,323.48 : x
  2. Step 2: Convert to fraction form
    20,179.56/30,249.84 = 10,323.48/x
  3. Step 3: Cross multiply
    20,179.56x = 30,249.84 × 10,323.48
  4. Step 4: Simplify right side
    20,179.56x = 312,283,618.24
  5. Step 5: Solve for x
    x = 312,283,618.24/20,179.56
  6. Step 6: Final answer
    x = 15,475.24

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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.