Home / 31,823.28-47,662.26-15,195.06

Finding the Fourth Proportional to 31,823.28, 47,662.26 and 15,195.06

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Solution

The fourth proportional to 31,823.28, 47,662.26 and 15,195.06 is: 22,757.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.28 : 47,662.26 = 15,195.06 : x
  2. Step 2: Convert to fraction form
    31,823.28/47,662.26 = 15,195.06/x
  3. Step 3: Cross multiply
    31,823.28x = 47,662.26 × 15,195.06
  4. Step 4: Simplify right side
    31,823.28x = 724,230,843.45
  5. Step 5: Solve for x
    x = 724,230,843.45/31,823.28
  6. Step 6: Final answer
    x = 22,757.89

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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.