Home / 31,553.62-47,317.44-11,822.02

Finding the Fourth Proportional to 31,553.62, 47,317.44 and 11,822.02

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Solution

The fourth proportional to 31,553.62, 47,317.44 and 11,822.02 is: 17,728.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.62 : 47,317.44 = 11,822.02 : x
  2. Step 2: Convert to fraction form
    31,553.62/47,317.44 = 11,822.02/x
  3. Step 3: Cross multiply
    31,553.62x = 47,317.44 × 11,822.02
  4. Step 4: Simplify right side
    31,553.62x = 559,387,722.03
  5. Step 5: Solve for x
    x = 559,387,722.03/31,553.62
  6. Step 6: Final answer
    x = 17,728.16

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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.