Home / 39,609.03-54,659.01-21,704.25

Finding the Fourth Proportional to 39,609.03, 54,659.01 and 21,704.25

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Solution

The fourth proportional to 39,609.03, 54,659.01 and 21,704.25 is: 29,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,609.03 : 54,659.01 = 21,704.25 : x
  2. Step 2: Convert to fraction form
    39,609.03/54,659.01 = 21,704.25/x
  3. Step 3: Cross multiply
    39,609.03x = 54,659.01 × 21,704.25
  4. Step 4: Simplify right side
    39,609.03x = 1,186,332,817.79
  5. Step 5: Solve for x
    x = 1,186,332,817.79/39,609.03
  6. Step 6: Final answer
    x = 29,951.07

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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.