Home / 31,553.61-47,317.44-11,822.01

Finding the Fourth Proportional to 31,553.61, 47,317.44 and 11,822.01

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Solution

The fourth proportional to 31,553.61, 47,317.44 and 11,822.01 is: 17,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,553.61 : 47,317.44 = 11,822.01 : x
  2. Step 2: Convert to fraction form
    31,553.61/47,317.44 = 11,822.01/x
  3. Step 3: Cross multiply
    31,553.61x = 47,317.44 × 11,822.01
  4. Step 4: Simplify right side
    31,553.61x = 559,387,248.85
  5. Step 5: Solve for x
    x = 559,387,248.85/31,553.61
  6. Step 6: Final answer
    x = 17,728.15

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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.