Home / 33,218.60-49,803.10-20,068.20

Finding the Fourth Proportional to 33,218.60, 49,803.10 and 20,068.20

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Solution

The fourth proportional to 33,218.60, 49,803.10 and 20,068.20 is: 30,087.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,218.60 : 49,803.10 = 20,068.20 : x
  2. Step 2: Convert to fraction form
    33,218.60/49,803.10 = 20,068.20/x
  3. Step 3: Cross multiply
    33,218.60x = 49,803.10 × 20,068.20
  4. Step 4: Simplify right side
    33,218.60x = 999,458,571.42
  5. Step 5: Solve for x
    x = 999,458,571.42/33,218.60
  6. Step 6: Final answer
    x = 30,087.32

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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.