Home / 39,619.56-54,659.70-25,480.20

Finding the Fourth Proportional to 39,619.56, 54,659.70 and 25,480.20

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Solution

The fourth proportional to 39,619.56, 54,659.70 and 25,480.20 is: 35,152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.56 : 54,659.70 = 25,480.20 : x
  2. Step 2: Convert to fraction form
    39,619.56/54,659.70 = 25,480.20/x
  3. Step 3: Cross multiply
    39,619.56x = 54,659.70 × 25,480.20
  4. Step 4: Simplify right side
    39,619.56x = 1,392,740,087.94
  5. Step 5: Solve for x
    x = 1,392,740,087.94/39,619.56
  6. Step 6: Final answer
    x = 35,152.84

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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.