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Finding the Fourth Proportional to 48,830.40, 73,072.80 and 33,969.60

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Solution

The fourth proportional to 48,830.40, 73,072.80 and 33,969.60 is: 50,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,830.40 : 73,072.80 = 33,969.60 : x
  2. Step 2: Convert to fraction form
    48,830.40/73,072.80 = 33,969.60/x
  3. Step 3: Cross multiply
    48,830.40x = 73,072.80 × 33,969.60
  4. Step 4: Simplify right side
    48,830.40x = 2,482,253,786.88
  5. Step 5: Solve for x
    x = 2,482,253,786.88/48,830.40
  6. Step 6: Final answer
    x = 50,834.19

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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.