Home / 39,793.40-54,904.93-25,629.20

Finding the Fourth Proportional to 39,793.40, 54,904.93 and 25,629.20

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Solution

The fourth proportional to 39,793.40, 54,904.93 and 25,629.20 is: 35,361.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,793.40 : 54,904.93 = 25,629.20 : x
  2. Step 2: Convert to fraction form
    39,793.40/54,904.93 = 25,629.20/x
  3. Step 3: Cross multiply
    39,793.40x = 54,904.93 × 25,629.20
  4. Step 4: Simplify right side
    39,793.40x = 1,407,169,431.96
  5. Step 5: Solve for x
    x = 1,407,169,431.96/39,793.40
  6. Step 6: Final answer
    x = 35,361.88

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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.