Home / 49,745.10-74,508.30-39,903.60

Finding the Fourth Proportional to 49,745.10, 74,508.30 and 39,903.60

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Solution

The fourth proportional to 49,745.10, 74,508.30 and 39,903.60 is: 59,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,745.10 : 74,508.30 = 39,903.60 : x
  2. Step 2: Convert to fraction form
    49,745.10/74,508.30 = 39,903.60/x
  3. Step 3: Cross multiply
    49,745.10x = 74,508.30 × 39,903.60
  4. Step 4: Simplify right side
    49,745.10x = 2,973,149,399.88
  5. Step 5: Solve for x
    x = 2,973,149,399.88/49,745.10
  6. Step 6: Final answer
    x = 59,767.68

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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.