Home / 39,025.20-58,537.56-12,729.96

Finding the Fourth Proportional to 39,025.20, 58,537.56 and 12,729.96

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Solution

The fourth proportional to 39,025.20, 58,537.56 and 12,729.96 is: 19,094.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,025.20 : 58,537.56 = 12,729.96 : x
  2. Step 2: Convert to fraction form
    39,025.20/58,537.56 = 12,729.96/x
  3. Step 3: Cross multiply
    39,025.20x = 58,537.56 × 12,729.96
  4. Step 4: Simplify right side
    39,025.20x = 745,180,797.30
  5. Step 5: Solve for x
    x = 745,180,797.30/39,025.20
  6. Step 6: Final answer
    x = 19,094.86

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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.