Home / 38,539.88-57,729.18-33,865.64

Finding the Fourth Proportional to 38,539.88, 57,729.18 and 33,865.64

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Solution

The fourth proportional to 38,539.88, 57,729.18 and 33,865.64 is: 50,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,539.88 : 57,729.18 = 33,865.64 : x
  2. Step 2: Convert to fraction form
    38,539.88/57,729.18 = 33,865.64/x
  3. Step 3: Cross multiply
    38,539.88x = 57,729.18 × 33,865.64
  4. Step 4: Simplify right side
    38,539.88x = 1,955,035,627.38
  5. Step 5: Solve for x
    x = 1,955,035,627.38/38,539.88
  6. Step 6: Final answer
    x = 50,727.60

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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.