Home / 31,446.60-47,167.76-11,716.08

Finding the Fourth Proportional to 31,446.60, 47,167.76 and 11,716.08

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Solution

The fourth proportional to 31,446.60, 47,167.76 and 11,716.08 is: 17,573.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,446.60 : 47,167.76 = 11,716.08 : x
  2. Step 2: Convert to fraction form
    31,446.60/47,167.76 = 11,716.08/x
  3. Step 3: Cross multiply
    31,446.60x = 47,167.76 × 11,716.08
  4. Step 4: Simplify right side
    31,446.60x = 552,621,249.58
  5. Step 5: Solve for x
    x = 552,621,249.58/31,446.60
  6. Step 6: Final answer
    x = 17,573.32

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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.