Home / 33,022.20-49,533.30-21,212.40

Finding the Fourth Proportional to 33,022.20, 49,533.30 and 21,212.40

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Solution

The fourth proportional to 33,022.20, 49,533.30 and 21,212.40 is: 31,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,022.20 : 49,533.30 = 21,212.40 : x
  2. Step 2: Convert to fraction form
    33,022.20/49,533.30 = 21,212.40/x
  3. Step 3: Cross multiply
    33,022.20x = 49,533.30 × 21,212.40
  4. Step 4: Simplify right side
    33,022.20x = 1,050,720,172.92
  5. Step 5: Solve for x
    x = 1,050,720,172.92/33,022.20
  6. Step 6: Final answer
    x = 31,818.60

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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.