Home / 31,785.07-47,659.14-12,052.86

Finding the Fourth Proportional to 31,785.07, 47,659.14 and 12,052.86

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Solution

The fourth proportional to 31,785.07, 47,659.14 and 12,052.86 is: 18,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,785.07 : 47,659.14 = 12,052.86 : x
  2. Step 2: Convert to fraction form
    31,785.07/47,659.14 = 12,052.86/x
  3. Step 3: Cross multiply
    31,785.07x = 47,659.14 × 12,052.86
  4. Step 4: Simplify right side
    31,785.07x = 574,428,942.14
  5. Step 5: Solve for x
    x = 574,428,942.14/31,785.07
  6. Step 6: Final answer
    x = 18,072.29

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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.