Home / 29,860.36-41,163.60-20,879.92

Finding the Fourth Proportional to 29,860.36, 41,163.60 and 20,879.92

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Solution

The fourth proportional to 29,860.36, 41,163.60 and 20,879.92 is: 28,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,860.36 : 41,163.60 = 20,879.92 : x
  2. Step 2: Convert to fraction form
    29,860.36/41,163.60 = 20,879.92/x
  3. Step 3: Cross multiply
    29,860.36x = 41,163.60 × 20,879.92
  4. Step 4: Simplify right side
    29,860.36x = 859,492,674.91
  5. Step 5: Solve for x
    x = 859,492,674.91/29,860.36
  6. Step 6: Final answer
    x = 28,783.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.