Home / 31,656.20-47,495.30-11,940.44

Finding the Fourth Proportional to 31,656.20, 47,495.30 and 11,940.44

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Solution

The fourth proportional to 31,656.20, 47,495.30 and 11,940.44 is: 17,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.20 : 47,495.30 = 11,940.44 : x
  2. Step 2: Convert to fraction form
    31,656.20/47,495.30 = 11,940.44/x
  3. Step 3: Cross multiply
    31,656.20x = 47,495.30 × 11,940.44
  4. Step 4: Simplify right side
    31,656.20x = 567,114,779.93
  5. Step 5: Solve for x
    x = 567,114,779.93/31,656.20
  6. Step 6: Final answer
    x = 17,914.81

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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.