Home / 31,336.04-43,243.62-19,397

Finding the Fourth Proportional to 31,336.04, 43,243.62 and 19,397

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Solution

The fourth proportional to 31,336.04, 43,243.62 and 19,397 is: 26,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.04 : 43,243.62 = 19,397 : x
  2. Step 2: Convert to fraction form
    31,336.04/43,243.62 = 19,397/x
  3. Step 3: Cross multiply
    31,336.04x = 43,243.62 × 19,397
  4. Step 4: Simplify right side
    31,336.04x = 838,796,497.14
  5. Step 5: Solve for x
    x = 838,796,497.14/31,336.04
  6. Step 6: Final answer
    x = 26,767.79

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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.