Home / 31,943.52-47,878.94-19,435.97

Finding the Fourth Proportional to 31,943.52, 47,878.94 and 19,435.97

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Solution

The fourth proportional to 31,943.52, 47,878.94 and 19,435.97 is: 29,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.52 : 47,878.94 = 19,435.97 : x
  2. Step 2: Convert to fraction form
    31,943.52/47,878.94 = 19,435.97/x
  3. Step 3: Cross multiply
    31,943.52x = 47,878.94 × 19,435.97
  4. Step 4: Simplify right side
    31,943.52x = 930,573,304.90
  5. Step 5: Solve for x
    x = 930,573,304.90/31,943.52
  6. Step 6: Final answer
    x = 29,131.83

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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.