Home / 33,311.49-45,970.05-18,204.31

Finding the Fourth Proportional to 33,311.49, 45,970.05 and 18,204.31

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Solution

The fourth proportional to 33,311.49, 45,970.05 and 18,204.31 is: 25,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.49 : 45,970.05 = 18,204.31 : x
  2. Step 2: Convert to fraction form
    33,311.49/45,970.05 = 18,204.31/x
  3. Step 3: Cross multiply
    33,311.49x = 45,970.05 × 18,204.31
  4. Step 4: Simplify right side
    33,311.49x = 836,853,040.92
  5. Step 5: Solve for x
    x = 836,853,040.92/33,311.49
  6. Step 6: Final answer
    x = 25,122.05

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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.