Home / 30,991.48-46,483.86-18,342.52

Finding the Fourth Proportional to 30,991.48, 46,483.86 and 18,342.52

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Solution

The fourth proportional to 30,991.48, 46,483.86 and 18,342.52 is: 27,511.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,991.48 : 46,483.86 = 18,342.52 : x
  2. Step 2: Convert to fraction form
    30,991.48/46,483.86 = 18,342.52/x
  3. Step 3: Cross multiply
    30,991.48x = 46,483.86 × 18,342.52
  4. Step 4: Simplify right side
    30,991.48x = 852,631,131.73
  5. Step 5: Solve for x
    x = 852,631,131.73/30,991.48
  6. Step 6: Final answer
    x = 27,511.79

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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.