Home / 33,005.87-45,550.51-18,858.41

Finding the Fourth Proportional to 33,005.87, 45,550.51 and 18,858.41

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Solution

The fourth proportional to 33,005.87, 45,550.51 and 18,858.41 is: 26,025.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.87 : 45,550.51 = 18,858.41 : x
  2. Step 2: Convert to fraction form
    33,005.87/45,550.51 = 18,858.41/x
  3. Step 3: Cross multiply
    33,005.87x = 45,550.51 × 18,858.41
  4. Step 4: Simplify right side
    33,005.87x = 859,009,918.39
  5. Step 5: Solve for x
    x = 859,009,918.39/33,005.87
  6. Step 6: Final answer
    x = 26,025.98

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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.