Home / 31,679,967.25-43,718,354.81-17,193,279.25

Finding the Fourth Proportional to 31,679,967.25, 43,718,354.81 and 17,193,279.25

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Solution

The fourth proportional to 31,679,967.25, 43,718,354.81 and 17,193,279.25 is: 23,726,725.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679,967.25 : 43,718,354.81 = 17,193,279.25 : x
  2. Step 2: Convert to fraction form
    31,679,967.25/43,718,354.81 = 17,193,279.25/x
  3. Step 3: Cross multiply
    31,679,967.25x = 43,718,354.81 × 17,193,279.25
  4. Step 4: Simplify right side
    31,679,967.25x = 751,661,882,598,910.75
  5. Step 5: Solve for x
    x = 751,661,882,598,910.75/31,679,967.25
  6. Step 6: Final answer
    x = 23,726,725.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.