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Finding the Fourth Proportional to 48,974.60, 73,461.90 and 33,228.20

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Solution

The fourth proportional to 48,974.60, 73,461.90 and 33,228.20 is: 49,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,974.60 : 73,461.90 = 33,228.20 : x
  2. Step 2: Convert to fraction form
    48,974.60/73,461.90 = 33,228.20/x
  3. Step 3: Cross multiply
    48,974.60x = 73,461.90 × 33,228.20
  4. Step 4: Simplify right side
    48,974.60x = 2,441,006,705.58
  5. Step 5: Solve for x
    x = 2,441,006,705.58/48,974.60
  6. Step 6: Final answer
    x = 49,842.30

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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.