Home / 39,584.56-54,624.67-21,676.11

Finding the Fourth Proportional to 39,584.56, 54,624.67 and 21,676.11

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Solution

The fourth proportional to 39,584.56, 54,624.67 and 21,676.11 is: 29,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.56 : 54,624.67 = 21,676.11 : x
  2. Step 2: Convert to fraction form
    39,584.56/54,624.67 = 21,676.11/x
  3. Step 3: Cross multiply
    39,584.56x = 54,624.67 × 21,676.11
  4. Step 4: Simplify right side
    39,584.56x = 1,184,050,096.60
  5. Step 5: Solve for x
    x = 1,184,050,096.60/39,584.56
  6. Step 6: Final answer
    x = 29,911.92

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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.