Home / 41,905.71-62,865.05-19,721.43

Finding the Fourth Proportional to 41,905.71, 62,865.05 and 19,721.43

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Solution

The fourth proportional to 41,905.71, 62,865.05 and 19,721.43 is: 29,585.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,905.71 : 62,865.05 = 19,721.43 : x
  2. Step 2: Convert to fraction form
    41,905.71/62,865.05 = 19,721.43/x
  3. Step 3: Cross multiply
    41,905.71x = 62,865.05 × 19,721.43
  4. Step 4: Simplify right side
    41,905.71x = 1,239,788,584.41
  5. Step 5: Solve for x
    x = 1,239,788,584.41/41,905.71
  6. Step 6: Final answer
    x = 29,585.19

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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.