Home / 33,943.70-46,860.86-20,518.36

Finding the Fourth Proportional to 33,943.70, 46,860.86 and 20,518.36

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Solution

The fourth proportional to 33,943.70, 46,860.86 and 20,518.36 is: 28,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,943.70 : 46,860.86 = 20,518.36 : x
  2. Step 2: Convert to fraction form
    33,943.70/46,860.86 = 20,518.36/x
  3. Step 3: Cross multiply
    33,943.70x = 46,860.86 × 20,518.36
  4. Step 4: Simplify right side
    33,943.70x = 961,507,995.39
  5. Step 5: Solve for x
    x = 961,507,995.39/33,943.70
  6. Step 6: Final answer
    x = 28,326.55

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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.