Home / 49,029.34-73,479.40-19,431.04

Finding the Fourth Proportional to 49,029.34, 73,479.40 and 19,431.04

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Solution

The fourth proportional to 49,029.34, 73,479.40 and 19,431.04 is: 29,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,029.34 : 73,479.40 = 19,431.04 : x
  2. Step 2: Convert to fraction form
    49,029.34/73,479.40 = 19,431.04/x
  3. Step 3: Cross multiply
    49,029.34x = 73,479.40 × 19,431.04
  4. Step 4: Simplify right side
    49,029.34x = 1,427,781,160.58
  5. Step 5: Solve for x
    x = 1,427,781,160.58/49,029.34
  6. Step 6: Final answer
    x = 29,120.95

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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.