Home / 49,848.37-74,786.67-20,287.42

Finding the Fourth Proportional to 49,848.37, 74,786.67 and 20,287.42

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Solution

The fourth proportional to 49,848.37, 74,786.67 and 20,287.42 is: 30,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,848.37 : 74,786.67 = 20,287.42 : x
  2. Step 2: Convert to fraction form
    49,848.37/74,786.67 = 20,287.42/x
  3. Step 3: Cross multiply
    49,848.37x = 74,786.67 × 20,287.42
  4. Step 4: Simplify right side
    49,848.37x = 1,517,228,473.80
  5. Step 5: Solve for x
    x = 1,517,228,473.80/49,848.37
  6. Step 6: Final answer
    x = 30,436.87

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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.