Home / 31,670.65-47,514.17-11,949.37

Finding the Fourth Proportional to 31,670.65, 47,514.17 and 11,949.37

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Solution

The fourth proportional to 31,670.65, 47,514.17 and 11,949.37 is: 17,927.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,670.65 : 47,514.17 = 11,949.37 : x
  2. Step 2: Convert to fraction form
    31,670.65/47,514.17 = 11,949.37/x
  3. Step 3: Cross multiply
    31,670.65x = 47,514.17 × 11,949.37
  4. Step 4: Simplify right side
    31,670.65x = 567,764,542.32
  5. Step 5: Solve for x
    x = 567,764,542.32/31,670.65
  6. Step 6: Final answer
    x = 17,927.15

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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.