Home / 33,161.28-45,762.18-19,732.32

Finding the Fourth Proportional to 33,161.28, 45,762.18 and 19,732.32

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Solution

The fourth proportional to 33,161.28, 45,762.18 and 19,732.32 is: 27,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,161.28 : 45,762.18 = 19,732.32 : x
  2. Step 2: Convert to fraction form
    33,161.28/45,762.18 = 19,732.32/x
  3. Step 3: Cross multiply
    33,161.28x = 45,762.18 × 19,732.32
  4. Step 4: Simplify right side
    33,161.28x = 902,993,979.66
  5. Step 5: Solve for x
    x = 902,993,979.66/33,161.28
  6. Step 6: Final answer
    x = 27,230.37

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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.