Home / 31,727.13-47,562.57-11,991.93

Finding the Fourth Proportional to 31,727.13, 47,562.57 and 11,991.93

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Solution

The fourth proportional to 31,727.13, 47,562.57 and 11,991.93 is: 17,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.13 : 47,562.57 = 11,991.93 : x
  2. Step 2: Convert to fraction form
    31,727.13/47,562.57 = 11,991.93/x
  3. Step 3: Cross multiply
    31,727.13x = 47,562.57 × 11,991.93
  4. Step 4: Simplify right side
    31,727.13x = 570,367,010.06
  5. Step 5: Solve for x
    x = 570,367,010.06/31,727.13
  6. Step 6: Final answer
    x = 17,977.26

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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.