Home / 31,917.59-47,898.27-11,141.09

Finding the Fourth Proportional to 31,917.59, 47,898.27 and 11,141.09

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Solution

The fourth proportional to 31,917.59, 47,898.27 and 11,141.09 is: 16,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.59 : 47,898.27 = 11,141.09 : x
  2. Step 2: Convert to fraction form
    31,917.59/47,898.27 = 11,141.09/x
  3. Step 3: Cross multiply
    31,917.59x = 47,898.27 × 11,141.09
  4. Step 4: Simplify right side
    31,917.59x = 533,638,936.91
  5. Step 5: Solve for x
    x = 533,638,936.91/31,917.59
  6. Step 6: Final answer
    x = 16,719.27

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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.