Home / 47,996.82-72,010.44-19,930.32

Finding the Fourth Proportional to 47,996.82, 72,010.44 and 19,930.32

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Solution

The fourth proportional to 47,996.82, 72,010.44 and 19,930.32 is: 29,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,996.82 : 72,010.44 = 19,930.32 : x
  2. Step 2: Convert to fraction form
    47,996.82/72,010.44 = 19,930.32/x
  3. Step 3: Cross multiply
    47,996.82x = 72,010.44 × 19,930.32
  4. Step 4: Simplify right side
    47,996.82x = 1,435,191,112.54
  5. Step 5: Solve for x
    x = 1,435,191,112.54/47,996.82
  6. Step 6: Final answer
    x = 29,901.80

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1.5x scale

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.