Home / 31,691.74-47,522.66-11,696.18

Finding the Fourth Proportional to 31,691.74, 47,522.66 and 11,696.18

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Solution

The fourth proportional to 31,691.74, 47,522.66 and 11,696.18 is: 17,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.74 : 47,522.66 = 11,696.18 : x
  2. Step 2: Convert to fraction form
    31,691.74/47,522.66 = 11,696.18/x
  3. Step 3: Cross multiply
    31,691.74x = 47,522.66 × 11,696.18
  4. Step 4: Simplify right side
    31,691.74x = 555,833,585.44
  5. Step 5: Solve for x
    x = 555,833,585.44/31,691.74
  6. Step 6: Final answer
    x = 17,538.75

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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.