Home / 39,286.60-54,221.21-22,060.89

Finding the Fourth Proportional to 39,286.60, 54,221.21 and 22,060.89

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Solution

The fourth proportional to 39,286.60, 54,221.21 and 22,060.89 is: 30,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,286.60 : 54,221.21 = 22,060.89 : x
  2. Step 2: Convert to fraction form
    39,286.60/54,221.21 = 22,060.89/x
  3. Step 3: Cross multiply
    39,286.60x = 54,221.21 × 22,060.89
  4. Step 4: Simplify right side
    39,286.60x = 1,196,168,149.48
  5. Step 5: Solve for x
    x = 1,196,168,149.48/39,286.60
  6. Step 6: Final answer
    x = 30,447.23

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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.