Home / 33,630.87-46,369.49-21,033.75

Finding the Fourth Proportional to 33,630.87, 46,369.49 and 21,033.75

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Solution

The fourth proportional to 33,630.87, 46,369.49 and 21,033.75 is: 29,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.87 : 46,369.49 = 21,033.75 : x
  2. Step 2: Convert to fraction form
    33,630.87/46,369.49 = 21,033.75/x
  3. Step 3: Cross multiply
    33,630.87x = 46,369.49 × 21,033.75
  4. Step 4: Simplify right side
    33,630.87x = 975,324,155.12
  5. Step 5: Solve for x
    x = 975,324,155.12/33,630.87
  6. Step 6: Final answer
    x = 29,000.86

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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.