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Finding the Fourth Proportional to 33,911.20, 46,798 and 18,804.48

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Solution

The fourth proportional to 33,911.20, 46,798 and 18,804.48 is: 25,950.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,911.20 : 46,798 = 18,804.48 : x
  2. Step 2: Convert to fraction form
    33,911.20/46,798 = 18,804.48/x
  3. Step 3: Cross multiply
    33,911.20x = 46,798 × 18,804.48
  4. Step 4: Simplify right side
    33,911.20x = 880,012,055.04
  5. Step 5: Solve for x
    x = 880,012,055.04/33,911.20
  6. Step 6: Final answer
    x = 25,950.48

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1.5x scale

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.