Home / 71,997.14-107,983.41-19,394.33

Finding the Fourth Proportional to 71,997.14, 107,983.41 and 19,394.33

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Solution

The fourth proportional to 71,997.14, 107,983.41 and 19,394.33 is: 29,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,997.14 : 107,983.41 = 19,394.33 : x
  2. Step 2: Convert to fraction form
    71,997.14/107,983.41 = 19,394.33/x
  3. Step 3: Cross multiply
    71,997.14x = 107,983.41 × 19,394.33
  4. Step 4: Simplify right side
    71,997.14x = 2,094,265,888.07
  5. Step 5: Solve for x
    x = 2,094,265,888.07/71,997.14
  6. Step 6: Final answer
    x = 29,088.18

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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.