Home / 33,015.40-49,458.30-19,828.84

Finding the Fourth Proportional to 33,015.40, 49,458.30 and 19,828.84

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Solution

The fourth proportional to 33,015.40, 49,458.30 and 19,828.84 is: 29,704.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.40 : 49,458.30 = 19,828.84 : x
  2. Step 2: Convert to fraction form
    33,015.40/49,458.30 = 19,828.84/x
  3. Step 3: Cross multiply
    33,015.40x = 49,458.30 × 19,828.84
  4. Step 4: Simplify right side
    33,015.40x = 980,700,717.37
  5. Step 5: Solve for x
    x = 980,700,717.37/33,015.40
  6. Step 6: Final answer
    x = 29,704.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.