Home / 31,771.72-43,845.78-17,624.80

Finding the Fourth Proportional to 31,771.72, 43,845.78 and 17,624.80

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Solution

The fourth proportional to 31,771.72, 43,845.78 and 17,624.80 is: 24,322.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.72 : 43,845.78 = 17,624.80 : x
  2. Step 2: Convert to fraction form
    31,771.72/43,845.78 = 17,624.80/x
  3. Step 3: Cross multiply
    31,771.72x = 43,845.78 × 17,624.80
  4. Step 4: Simplify right side
    31,771.72x = 772,773,103.34
  5. Step 5: Solve for x
    x = 772,773,103.34/31,771.72
  6. Step 6: Final answer
    x = 24,322.67

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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.