Home / 49,950-68,931.24-28,730.52

Finding the Fourth Proportional to 49,950, 68,931.24 and 28,730.52

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Solution

The fourth proportional to 49,950, 68,931.24 and 28,730.52 is: 39,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,950 : 68,931.24 = 28,730.52 : x
  2. Step 2: Convert to fraction form
    49,950/68,931.24 = 28,730.52/x
  3. Step 3: Cross multiply
    49,950x = 68,931.24 × 28,730.52
  4. Step 4: Simplify right side
    49,950x = 1,980,430,369.44
  5. Step 5: Solve for x
    x = 1,980,430,369.44/49,950
  6. Step 6: Final answer
    x = 39,648.26

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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.