Home / 33,781.95-46,620.15-18,675.09

Finding the Fourth Proportional to 33,781.95, 46,620.15 and 18,675.09

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Solution

The fourth proportional to 33,781.95, 46,620.15 and 18,675.09 is: 25,772.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.95 : 46,620.15 = 18,675.09 : x
  2. Step 2: Convert to fraction form
    33,781.95/46,620.15 = 18,675.09/x
  3. Step 3: Cross multiply
    33,781.95x = 46,620.15 × 18,675.09
  4. Step 4: Simplify right side
    33,781.95x = 870,635,263.96
  5. Step 5: Solve for x
    x = 870,635,263.96/33,781.95
  6. Step 6: Final answer
    x = 25,772.21

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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.