Home / 39,643.39-54,736.58-25,520.84

Finding the Fourth Proportional to 39,643.39, 54,736.58 and 25,520.84

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Solution

The fourth proportional to 39,643.39, 54,736.58 and 25,520.84 is: 35,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.39 : 54,736.58 = 25,520.84 : x
  2. Step 2: Convert to fraction form
    39,643.39/54,736.58 = 25,520.84/x
  3. Step 3: Cross multiply
    39,643.39x = 54,736.58 × 25,520.84
  4. Step 4: Simplify right side
    39,643.39x = 1,396,923,500.33
  5. Step 5: Solve for x
    x = 1,396,923,500.33/39,643.39
  6. Step 6: Final answer
    x = 35,237.24

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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.