Home / 31,564.56-47,334.48-11,832.35

Finding the Fourth Proportional to 31,564.56, 47,334.48 and 11,832.35

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Solution

The fourth proportional to 31,564.56, 47,334.48 and 11,832.35 is: 17,743.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.56 : 47,334.48 = 11,832.35 : x
  2. Step 2: Convert to fraction form
    31,564.56/47,334.48 = 11,832.35/x
  3. Step 3: Cross multiply
    31,564.56x = 47,334.48 × 11,832.35
  4. Step 4: Simplify right side
    31,564.56x = 560,078,134.43
  5. Step 5: Solve for x
    x = 560,078,134.43/31,564.56
  6. Step 6: Final answer
    x = 17,743.89

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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.