Home / 33,005.49-45,549.99-18,858.03

Finding the Fourth Proportional to 33,005.49, 45,549.99 and 18,858.03

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Solution

The fourth proportional to 33,005.49, 45,549.99 and 18,858.03 is: 26,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,005.49 : 45,549.99 = 18,858.03 : x
  2. Step 2: Convert to fraction form
    33,005.49/45,549.99 = 18,858.03/x
  3. Step 3: Cross multiply
    33,005.49x = 45,549.99 × 18,858.03
  4. Step 4: Simplify right side
    33,005.49x = 858,983,077.92
  5. Step 5: Solve for x
    x = 858,983,077.92/33,005.49
  6. Step 6: Final answer
    x = 26,025.46

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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.