Home / 47,748.26-71,624.64-15,729.36

Finding the Fourth Proportional to 47,748.26, 71,624.64 and 15,729.36

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Solution

The fourth proportional to 47,748.26, 71,624.64 and 15,729.36 is: 23,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,748.26 : 71,624.64 = 15,729.36 : x
  2. Step 2: Convert to fraction form
    47,748.26/71,624.64 = 15,729.36/x
  3. Step 3: Cross multiply
    47,748.26x = 71,624.64 × 15,729.36
  4. Step 4: Simplify right side
    47,748.26x = 1,126,609,747.43
  5. Step 5: Solve for x
    x = 1,126,609,747.43/47,748.26
  6. Step 6: Final answer
    x = 23,594.78

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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.