Home / 33,780.54-46,605.78-21,858.96

Finding the Fourth Proportional to 33,780.54, 46,605.78 and 21,858.96

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Solution

The fourth proportional to 33,780.54, 46,605.78 and 21,858.96 is: 30,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,780.54 : 46,605.78 = 21,858.96 : x
  2. Step 2: Convert to fraction form
    33,780.54/46,605.78 = 21,858.96/x
  3. Step 3: Cross multiply
    33,780.54x = 46,605.78 × 21,858.96
  4. Step 4: Simplify right side
    33,780.54x = 1,018,753,880.79
  5. Step 5: Solve for x
    x = 1,018,753,880.79/33,780.54
  6. Step 6: Final answer
    x = 30,158.01

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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.