Home / 39,419.80-54,399.42-25,272.68

Finding the Fourth Proportional to 39,419.80, 54,399.42 and 25,272.68

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Solution

The fourth proportional to 39,419.80, 54,399.42 and 25,272.68 is: 34,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,419.80 : 54,399.42 = 25,272.68 : x
  2. Step 2: Convert to fraction form
    39,419.80/54,399.42 = 25,272.68/x
  3. Step 3: Cross multiply
    39,419.80x = 54,399.42 × 25,272.68
  4. Step 4: Simplify right side
    39,419.80x = 1,374,819,133.85
  5. Step 5: Solve for x
    x = 1,374,819,133.85/39,419.80
  6. Step 6: Final answer
    x = 34,876.36

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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.