Home / 33,199.46-45,785.36-21,260.49

Finding the Fourth Proportional to 33,199.46, 45,785.36 and 21,260.49

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Solution

The fourth proportional to 33,199.46, 45,785.36 and 21,260.49 is: 29,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,199.46 : 45,785.36 = 21,260.49 : x
  2. Step 2: Convert to fraction form
    33,199.46/45,785.36 = 21,260.49/x
  3. Step 3: Cross multiply
    33,199.46x = 45,785.36 × 21,260.49
  4. Step 4: Simplify right side
    33,199.46x = 973,419,029.63
  5. Step 5: Solve for x
    x = 973,419,029.63/33,199.46
  6. Step 6: Final answer
    x = 29,320.33

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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.