Home / 20,833.81-31,253.78-6,040.80

Finding the Fourth Proportional to 20,833.81, 31,253.78 and 6,040.80

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Solution

The fourth proportional to 20,833.81, 31,253.78 and 6,040.80 is: 9,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,833.81 : 31,253.78 = 6,040.80 : x
  2. Step 2: Convert to fraction form
    20,833.81/31,253.78 = 6,040.80/x
  3. Step 3: Cross multiply
    20,833.81x = 31,253.78 × 6,040.80
  4. Step 4: Simplify right side
    20,833.81x = 188,797,849.33
  5. Step 5: Solve for x
    x = 188,797,849.33/20,833.81
  6. Step 6: Final answer
    x = 9,062.09

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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.