Home / 49,429.80-74,043.90-30,652.20

Finding the Fourth Proportional to 49,429.80, 74,043.90 and 30,652.20

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Solution

The fourth proportional to 49,429.80, 74,043.90 and 30,652.20 is: 45,915.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,429.80 : 74,043.90 = 30,652.20 : x
  2. Step 2: Convert to fraction form
    49,429.80/74,043.90 = 30,652.20/x
  3. Step 3: Cross multiply
    49,429.80x = 74,043.90 × 30,652.20
  4. Step 4: Simplify right side
    49,429.80x = 2,269,608,431.58
  5. Step 5: Solve for x
    x = 2,269,608,431.58/49,429.80
  6. Step 6: Final answer
    x = 45,915.79

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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.