Home / 29,211.20-43,903.20-25,409.60

Finding the Fourth Proportional to 29,211.20, 43,903.20 and 25,409.60

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Solution

The fourth proportional to 29,211.20, 43,903.20 and 25,409.60 is: 38,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,211.20 : 43,903.20 = 25,409.60 : x
  2. Step 2: Convert to fraction form
    29,211.20/43,903.20 = 25,409.60/x
  3. Step 3: Cross multiply
    29,211.20x = 43,903.20 × 25,409.60
  4. Step 4: Simplify right side
    29,211.20x = 1,115,562,750.72
  5. Step 5: Solve for x
    x = 1,115,562,750.72/29,211.20
  6. Step 6: Final answer
    x = 38,189.56

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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.