Home / 49,845.39-68,782.82-28,631.49

Finding the Fourth Proportional to 49,845.39, 68,782.82 and 28,631.49

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Solution

The fourth proportional to 49,845.39, 68,782.82 and 28,631.49 is: 39,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.39 : 68,782.82 = 28,631.49 : x
  2. Step 2: Convert to fraction form
    49,845.39/68,782.82 = 28,631.49/x
  3. Step 3: Cross multiply
    49,845.39x = 68,782.82 × 28,631.49
  4. Step 4: Simplify right side
    49,845.39x = 1,969,354,479.84
  5. Step 5: Solve for x
    x = 1,969,354,479.84/49,845.39
  6. Step 6: Final answer
    x = 39,509.26

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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.