Home / 31,662.08-47,579.28-16,881.44

Finding the Fourth Proportional to 31,662.08, 47,579.28 and 16,881.44

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Solution

The fourth proportional to 31,662.08, 47,579.28 and 16,881.44 is: 25,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.08 : 47,579.28 = 16,881.44 : x
  2. Step 2: Convert to fraction form
    31,662.08/47,579.28 = 16,881.44/x
  3. Step 3: Cross multiply
    31,662.08x = 47,579.28 × 16,881.44
  4. Step 4: Simplify right side
    31,662.08x = 803,206,760.56
  5. Step 5: Solve for x
    x = 803,206,760.56/31,662.08
  6. Step 6: Final answer
    x = 25,368.10

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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.