Home / 49,640.45-68,505.35-28,426.55

Finding the Fourth Proportional to 49,640.45, 68,505.35 and 28,426.55

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Solution

The fourth proportional to 49,640.45, 68,505.35 and 28,426.55 is: 39,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,640.45 : 68,505.35 = 28,426.55 : x
  2. Step 2: Convert to fraction form
    49,640.45/68,505.35 = 28,426.55/x
  3. Step 3: Cross multiply
    49,640.45x = 68,505.35 × 28,426.55
  4. Step 4: Simplify right side
    49,640.45x = 1,947,370,272.38
  5. Step 5: Solve for x
    x = 1,947,370,272.38/49,640.45
  6. Step 6: Final answer
    x = 39,229.51

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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.