Home / 31,351.99-47,027.86-11,356.80

Finding the Fourth Proportional to 31,351.99, 47,027.86 and 11,356.80

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Solution

The fourth proportional to 31,351.99, 47,027.86 and 11,356.80 is: 17,035.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.99 : 47,027.86 = 11,356.80 : x
  2. Step 2: Convert to fraction form
    31,351.99/47,027.86 = 11,356.80/x
  3. Step 3: Cross multiply
    31,351.99x = 47,027.86 × 11,356.80
  4. Step 4: Simplify right side
    31,351.99x = 534,086,044.26
  5. Step 5: Solve for x
    x = 534,086,044.26/31,351.99
  6. Step 6: Final answer
    x = 17,035.16

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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.