Home / 33,888.40-46,766.34-18,781.39

Finding the Fourth Proportional to 33,888.40, 46,766.34 and 18,781.39

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Solution

The fourth proportional to 33,888.40, 46,766.34 and 18,781.39 is: 25,918.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,888.40 : 46,766.34 = 18,781.39 : x
  2. Step 2: Convert to fraction form
    33,888.40/46,766.34 = 18,781.39/x
  3. Step 3: Cross multiply
    33,888.40x = 46,766.34 × 18,781.39
  4. Step 4: Simplify right side
    33,888.40x = 878,337,007.58
  5. Step 5: Solve for x
    x = 878,337,007.58/33,888.40
  6. Step 6: Final answer
    x = 25,918.51

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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.