Home / 30,843.86-46,171.42-19,761.23

Finding the Fourth Proportional to 30,843.86, 46,171.42 and 19,761.23

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Solution

The fourth proportional to 30,843.86, 46,171.42 and 19,761.23 is: 29,581.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.86 : 46,171.42 = 19,761.23 : x
  2. Step 2: Convert to fraction form
    30,843.86/46,171.42 = 19,761.23/x
  3. Step 3: Cross multiply
    30,843.86x = 46,171.42 × 19,761.23
  4. Step 4: Simplify right side
    30,843.86x = 912,404,116.07
  5. Step 5: Solve for x
    x = 912,404,116.07/30,843.86
  6. Step 6: Final answer
    x = 29,581.39

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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.