Home / 29,777.15-41,065.04-20,231.33

Finding the Fourth Proportional to 29,777.15, 41,065.04 and 20,231.33

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Solution

The fourth proportional to 29,777.15, 41,065.04 and 20,231.33 is: 27,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,777.15 : 41,065.04 = 20,231.33 : x
  2. Step 2: Convert to fraction form
    29,777.15/41,065.04 = 20,231.33/x
  3. Step 3: Cross multiply
    29,777.15x = 41,065.04 × 20,231.33
  4. Step 4: Simplify right side
    29,777.15x = 830,800,107.16
  5. Step 5: Solve for x
    x = 830,800,107.16/29,777.15
  6. Step 6: Final answer
    x = 27,900.59

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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.