Home / 38,811.20-58,087.20-34,145.60

Finding the Fourth Proportional to 38,811.20, 58,087.20 and 34,145.60

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Solution

The fourth proportional to 38,811.20, 58,087.20 and 34,145.60 is: 51,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.20 : 58,087.20 = 34,145.60 : x
  2. Step 2: Convert to fraction form
    38,811.20/58,087.20 = 34,145.60/x
  3. Step 3: Cross multiply
    38,811.20x = 58,087.20 × 34,145.60
  4. Step 4: Simplify right side
    38,811.20x = 1,983,422,296.32
  5. Step 5: Solve for x
    x = 1,983,422,296.32/38,811.20
  6. Step 6: Final answer
    x = 51,104.38

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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.