Home / 33,321.60-45,983.81-18,214.33

Finding the Fourth Proportional to 33,321.60, 45,983.81 and 18,214.33

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Solution

The fourth proportional to 33,321.60, 45,983.81 and 18,214.33 is: 25,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,321.60 : 45,983.81 = 18,214.33 : x
  2. Step 2: Convert to fraction form
    33,321.60/45,983.81 = 18,214.33/x
  3. Step 3: Cross multiply
    33,321.60x = 45,983.81 × 18,214.33
  4. Step 4: Simplify right side
    33,321.60x = 837,564,037.31
  5. Step 5: Solve for x
    x = 837,564,037.31/33,321.60
  6. Step 6: Final answer
    x = 25,135.77

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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.