Home / 32,775-45,233.36-18,629.96

Finding the Fourth Proportional to 32,775, 45,233.36 and 18,629.96

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Solution

The fourth proportional to 32,775, 45,233.36 and 18,629.96 is: 25,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,775 : 45,233.36 = 18,629.96 : x
  2. Step 2: Convert to fraction form
    32,775/45,233.36 = 18,629.96/x
  3. Step 3: Cross multiply
    32,775x = 45,233.36 × 18,629.96
  4. Step 4: Simplify right side
    32,775x = 842,695,687.47
  5. Step 5: Solve for x
    x = 842,695,687.47/32,775
  6. Step 6: Final answer
    x = 25,711.54

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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.