Home / 20,839.37-31,257.84-6,047.96

Finding the Fourth Proportional to 20,839.37, 31,257.84 and 6,047.96

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Solution

The fourth proportional to 20,839.37, 31,257.84 and 6,047.96 is: 9,071.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,839.37 : 31,257.84 = 6,047.96 : x
  2. Step 2: Convert to fraction form
    20,839.37/31,257.84 = 6,047.96/x
  3. Step 3: Cross multiply
    20,839.37x = 31,257.84 × 6,047.96
  4. Step 4: Simplify right side
    20,839.37x = 189,046,166.01
  5. Step 5: Solve for x
    x = 189,046,166.01/20,839.37
  6. Step 6: Final answer
    x = 9,071.59

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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.