Home / 31,897.44-47,850.48-11,115.36

Finding the Fourth Proportional to 31,897.44, 47,850.48 and 11,115.36

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Solution

The fourth proportional to 31,897.44, 47,850.48 and 11,115.36 is: 16,674.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.44 : 47,850.48 = 11,115.36 : x
  2. Step 2: Convert to fraction form
    31,897.44/47,850.48 = 11,115.36/x
  3. Step 3: Cross multiply
    31,897.44x = 47,850.48 × 11,115.36
  4. Step 4: Simplify right side
    31,897.44x = 531,875,311.37
  5. Step 5: Solve for x
    x = 531,875,311.37/31,897.44
  6. Step 6: Final answer
    x = 16,674.55

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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.