Home / 39,171.24-58,680.32-31,289.85

Finding the Fourth Proportional to 39,171.24, 58,680.32 and 31,289.85

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Solution

The fourth proportional to 39,171.24, 58,680.32 and 31,289.85 is: 46,873.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,171.24 : 58,680.32 = 31,289.85 : x
  2. Step 2: Convert to fraction form
    39,171.24/58,680.32 = 31,289.85/x
  3. Step 3: Cross multiply
    39,171.24x = 58,680.32 × 31,289.85
  4. Step 4: Simplify right side
    39,171.24x = 1,836,098,254.30
  5. Step 5: Solve for x
    x = 1,836,098,254.30/39,171.24
  6. Step 6: Final answer
    x = 46,873.63

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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.