Home / 39,643.40-54,736.59-25,520.84

Finding the Fourth Proportional to 39,643.40, 54,736.59 and 25,520.84

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Solution

The fourth proportional to 39,643.40, 54,736.59 and 25,520.84 is: 35,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,643.40 : 54,736.59 = 25,520.84 : x
  2. Step 2: Convert to fraction form
    39,643.40/54,736.59 = 25,520.84/x
  3. Step 3: Cross multiply
    39,643.40x = 54,736.59 × 25,520.84
  4. Step 4: Simplify right side
    39,643.40x = 1,396,923,627.93
  5. Step 5: Solve for x
    x = 1,396,923,627.93/39,643.40
  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.