Home / 31,489.44-47,245.08-13,971.56

Finding the Fourth Proportional to 31,489.44, 47,245.08 and 13,971.56

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Solution

The fourth proportional to 31,489.44, 47,245.08 and 13,971.56 is: 20,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,489.44 : 47,245.08 = 13,971.56 : x
  2. Step 2: Convert to fraction form
    31,489.44/47,245.08 = 13,971.56/x
  3. Step 3: Cross multiply
    31,489.44x = 47,245.08 × 13,971.56
  4. Step 4: Simplify right side
    31,489.44x = 660,087,469.92
  5. Step 5: Solve for x
    x = 660,087,469.92/31,489.44
  6. Step 6: Final answer
    x = 20,962.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.