Home / 33,509.97-46,243.80-18,403.61

Finding the Fourth Proportional to 33,509.97, 46,243.80 and 18,403.61

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Solution

The fourth proportional to 33,509.97, 46,243.80 and 18,403.61 is: 25,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,509.97 : 46,243.80 = 18,403.61 : x
  2. Step 2: Convert to fraction form
    33,509.97/46,243.80 = 18,403.61/x
  3. Step 3: Cross multiply
    33,509.97x = 46,243.80 × 18,403.61
  4. Step 4: Simplify right side
    33,509.97x = 851,052,628.90
  5. Step 5: Solve for x
    x = 851,052,628.90/33,509.97
  6. Step 6: Final answer
    x = 25,397.00

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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.