Home / 33,222.60-49,809.10-20,072.20

Finding the Fourth Proportional to 33,222.60, 49,809.10 and 20,072.20

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Solution

The fourth proportional to 33,222.60, 49,809.10 and 20,072.20 is: 30,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222.60 : 49,809.10 = 20,072.20 : x
  2. Step 2: Convert to fraction form
    33,222.60/49,809.10 = 20,072.20/x
  3. Step 3: Cross multiply
    33,222.60x = 49,809.10 × 20,072.20
  4. Step 4: Simplify right side
    33,222.60x = 999,778,217.02
  5. Step 5: Solve for x
    x = 999,778,217.02/33,222.60
  6. Step 6: Final answer
    x = 30,093.32

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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.