Home / 33,270.20-45,912.78-18,366.20

Finding the Fourth Proportional to 33,270.20, 45,912.78 and 18,366.20

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Solution

The fourth proportional to 33,270.20, 45,912.78 and 18,366.20 is: 25,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,270.20 : 45,912.78 = 18,366.20 : x
  2. Step 2: Convert to fraction form
    33,270.20/45,912.78 = 18,366.20/x
  3. Step 3: Cross multiply
    33,270.20x = 45,912.78 × 18,366.20
  4. Step 4: Simplify right side
    33,270.20x = 843,243,300.04
  5. Step 5: Solve for x
    x = 843,243,300.04/33,270.20
  6. Step 6: Final answer
    x = 25,345.30

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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.