Home / 49,643.57-68,506.43-28,418.73

Finding the Fourth Proportional to 49,643.57, 68,506.43 and 28,418.73

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Solution

The fourth proportional to 49,643.57, 68,506.43 and 28,418.73 is: 39,216.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.57 : 68,506.43 = 28,418.73 : x
  2. Step 2: Convert to fraction form
    49,643.57/68,506.43 = 28,418.73/x
  3. Step 3: Cross multiply
    49,643.57x = 68,506.43 × 28,418.73
  4. Step 4: Simplify right side
    49,643.57x = 1,946,865,737.43
  5. Step 5: Solve for x
    x = 1,946,865,737.43/49,643.57
  6. Step 6: Final answer
    x = 39,216.88

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1.5x scale

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.