Home / 39,736.67-54,836.39-21,587.25

Finding the Fourth Proportional to 39,736.67, 54,836.39 and 21,587.25

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Solution

The fourth proportional to 39,736.67, 54,836.39 and 21,587.25 is: 29,790.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,736.67 : 54,836.39 = 21,587.25 : x
  2. Step 2: Convert to fraction form
    39,736.67/54,836.39 = 21,587.25/x
  3. Step 3: Cross multiply
    39,736.67x = 54,836.39 × 21,587.25
  4. Step 4: Simplify right side
    39,736.67x = 1,183,766,546.45
  5. Step 5: Solve for x
    x = 1,183,766,546.45/39,736.67
  6. Step 6: Final answer
    x = 29,790.28

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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.