Home / 49,656.22-68,520-28,439.62

Finding the Fourth Proportional to 49,656.22, 68,520 and 28,439.62

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Solution

The fourth proportional to 49,656.22, 68,520 and 28,439.62 is: 39,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,656.22 : 68,520 = 28,439.62 : x
  2. Step 2: Convert to fraction form
    49,656.22/68,520 = 28,439.62/x
  3. Step 3: Cross multiply
    49,656.22x = 68,520 × 28,439.62
  4. Step 4: Simplify right side
    49,656.22x = 1,948,682,762.40
  5. Step 5: Solve for x
    x = 1,948,682,762.40/49,656.22
  6. Step 6: Final answer
    x = 39,243.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.