Home / 33,087.98-45,661.70-17,980.64

Finding the Fourth Proportional to 33,087.98, 45,661.70 and 17,980.64

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Solution

The fourth proportional to 33,087.98, 45,661.70 and 17,980.64 is: 24,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,087.98 : 45,661.70 = 17,980.64 : x
  2. Step 2: Convert to fraction form
    33,087.98/45,661.70 = 17,980.64/x
  3. Step 3: Cross multiply
    33,087.98x = 45,661.70 × 17,980.64
  4. Step 4: Simplify right side
    33,087.98x = 821,026,589.49
  5. Step 5: Solve for x
    x = 821,026,589.49/33,087.98
  6. Step 6: Final answer
    x = 24,813.44

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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.