Home / 31,679,685.52-43,717,965.98-17,192,997.52

Finding the Fourth Proportional to 31,679,685.52, 43,717,965.98 and 17,192,997.52

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Solution

The fourth proportional to 31,679,685.52, 43,717,965.98 and 17,192,997.52 is: 23,726,336.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679,685.52 : 43,717,965.98 = 17,192,997.52 : x
  2. Step 2: Convert to fraction form
    31,679,685.52/43,717,965.98 = 17,192,997.52/x
  3. Step 3: Cross multiply
    31,679,685.52x = 43,717,965.98 × 17,192,997.52
  4. Step 4: Simplify right side
    31,679,685.52x = 751,642,880,673,584.25
  5. Step 5: Solve for x
    x = 751,642,880,673,584.25/31,679,685.52
  6. Step 6: Final answer
    x = 23,726,336.56

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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.