Home / 33,180.63-45,789.26-18,276.63

Finding the Fourth Proportional to 33,180.63, 45,789.26 and 18,276.63

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Solution

The fourth proportional to 33,180.63, 45,789.26 and 18,276.63 is: 25,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.63 : 45,789.26 = 18,276.63 : x
  2. Step 2: Convert to fraction form
    33,180.63/45,789.26 = 18,276.63/x
  3. Step 3: Cross multiply
    33,180.63x = 45,789.26 × 18,276.63
  4. Step 4: Simplify right side
    33,180.63x = 836,873,362.99
  5. Step 5: Solve for x
    x = 836,873,362.99/33,180.63
  6. Step 6: Final answer
    x = 25,221.74

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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.