Home / 47,997.95-72,029.07-19,918.04

Finding the Fourth Proportional to 47,997.95, 72,029.07 and 19,918.04

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Solution

The fourth proportional to 47,997.95, 72,029.07 and 19,918.04 is: 29,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,997.95 : 72,029.07 = 19,918.04 : x
  2. Step 2: Convert to fraction form
    47,997.95/72,029.07 = 19,918.04/x
  3. Step 3: Cross multiply
    47,997.95x = 72,029.07 × 19,918.04
  4. Step 4: Simplify right side
    47,997.95x = 1,434,677,481.26
  5. Step 5: Solve for x
    x = 1,434,677,481.26/47,997.95
  6. Step 6: Final answer
    x = 29,890.39

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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.