Home / 31,984.06-47,897.25-20,108.37

Finding the Fourth Proportional to 31,984.06, 47,897.25 and 20,108.37

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Solution

The fourth proportional to 31,984.06, 47,897.25 and 20,108.37 is: 30,112.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984.06 : 47,897.25 = 20,108.37 : x
  2. Step 2: Convert to fraction form
    31,984.06/47,897.25 = 20,108.37/x
  3. Step 3: Cross multiply
    31,984.06x = 47,897.25 × 20,108.37
  4. Step 4: Simplify right side
    31,984.06x = 963,135,524.44
  5. Step 5: Solve for x
    x = 963,135,524.44/31,984.06
  6. Step 6: Final answer
    x = 30,112.99

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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.