Home / 31,552.22-47,314.52-11,816.94

Finding the Fourth Proportional to 31,552.22, 47,314.52 and 11,816.94

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Solution

The fourth proportional to 31,552.22, 47,314.52 and 11,816.94 is: 17,720.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.22 : 47,314.52 = 11,816.94 : x
  2. Step 2: Convert to fraction form
    31,552.22/47,314.52 = 11,816.94/x
  3. Step 3: Cross multiply
    31,552.22x = 47,314.52 × 11,816.94
  4. Step 4: Simplify right side
    31,552.22x = 559,112,784.88
  5. Step 5: Solve for x
    x = 559,112,784.88/31,552.22
  6. Step 6: Final answer
    x = 17,720.24

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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.