Home / 33,187.04-45,794.69-20,438.18

Finding the Fourth Proportional to 33,187.04, 45,794.69 and 20,438.18

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Solution

The fourth proportional to 33,187.04, 45,794.69 and 20,438.18 is: 28,202.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,187.04 : 45,794.69 = 20,438.18 : x
  2. Step 2: Convert to fraction form
    33,187.04/45,794.69 = 20,438.18/x
  3. Step 3: Cross multiply
    33,187.04x = 45,794.69 × 20,438.18
  4. Step 4: Simplify right side
    33,187.04x = 935,959,786.10
  5. Step 5: Solve for x
    x = 935,959,786.10/33,187.04
  6. Step 6: Final answer
    x = 28,202.57

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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.