Home / 20,873.88-31,305.24-5,880.11

Finding the Fourth Proportional to 20,873.88, 31,305.24 and 5,880.11

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Solution

The fourth proportional to 20,873.88, 31,305.24 and 5,880.11 is: 8,818.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.88 : 31,305.24 = 5,880.11 : x
  2. Step 2: Convert to fraction form
    20,873.88/31,305.24 = 5,880.11/x
  3. Step 3: Cross multiply
    20,873.88x = 31,305.24 × 5,880.11
  4. Step 4: Simplify right side
    20,873.88x = 184,078,098.25
  5. Step 5: Solve for x
    x = 184,078,098.25/20,873.88
  6. Step 6: Final answer
    x = 8,818.59

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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.