Home / 31,927.72-47,842.34-20,216.33

Finding the Fourth Proportional to 31,927.72, 47,842.34 and 20,216.33

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Solution

The fourth proportional to 31,927.72, 47,842.34 and 20,216.33 is: 30,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,927.72 : 47,842.34 = 20,216.33 : x
  2. Step 2: Convert to fraction form
    31,927.72/47,842.34 = 20,216.33/x
  3. Step 3: Cross multiply
    31,927.72x = 47,842.34 × 20,216.33
  4. Step 4: Simplify right side
    31,927.72x = 967,196,432.33
  5. Step 5: Solve for x
    x = 967,196,432.33/31,927.72
  6. Step 6: Final answer
    x = 30,293.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.