Home / 33,781.38-46,618.37-18,877.38

Finding the Fourth Proportional to 33,781.38, 46,618.37 and 18,877.38

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Solution

The fourth proportional to 33,781.38, 46,618.37 and 18,877.38 is: 26,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.38 : 46,618.37 = 18,877.38 : x
  2. Step 2: Convert to fraction form
    33,781.38/46,618.37 = 18,877.38/x
  3. Step 3: Cross multiply
    33,781.38x = 46,618.37 × 18,877.38
  4. Step 4: Simplify right side
    33,781.38x = 880,032,685.47
  5. Step 5: Solve for x
    x = 880,032,685.47/33,781.38
  6. Step 6: Final answer
    x = 26,050.82

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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.