Home / 39,405.09-54,379.04-25,257.97

Finding the Fourth Proportional to 39,405.09, 54,379.04 and 25,257.97

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Solution

The fourth proportional to 39,405.09, 54,379.04 and 25,257.97 is: 34,856.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,405.09 : 54,379.04 = 25,257.97 : x
  2. Step 2: Convert to fraction form
    39,405.09/54,379.04 = 25,257.97/x
  3. Step 3: Cross multiply
    39,405.09x = 54,379.04 × 25,257.97
  4. Step 4: Simplify right side
    39,405.09x = 1,373,504,102.63
  5. Step 5: Solve for x
    x = 1,373,504,102.63/39,405.09
  6. Step 6: Final answer
    x = 34,856.00

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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.