Home / 31,516.92-47,249.86-11,792.60

Finding the Fourth Proportional to 31,516.92, 47,249.86 and 11,792.60

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Solution

The fourth proportional to 31,516.92, 47,249.86 and 11,792.60 is: 17,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.92 : 47,249.86 = 11,792.60 : x
  2. Step 2: Convert to fraction form
    31,516.92/47,249.86 = 11,792.60/x
  3. Step 3: Cross multiply
    31,516.92x = 47,249.86 × 11,792.60
  4. Step 4: Simplify right side
    31,516.92x = 557,198,699.04
  5. Step 5: Solve for x
    x = 557,198,699.04/31,516.92
  6. Step 6: Final answer
    x = 17,679.35

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1.5x scale

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.