Home / 31,516.32-47,272.96-11,793.44

Finding the Fourth Proportional to 31,516.32, 47,272.96 and 11,793.44

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Solution

The fourth proportional to 31,516.32, 47,272.96 and 11,793.44 is: 17,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.32 : 47,272.96 = 11,793.44 : x
  2. Step 2: Convert to fraction form
    31,516.32/47,272.96 = 11,793.44/x
  3. Step 3: Cross multiply
    31,516.32x = 47,272.96 × 11,793.44
  4. Step 4: Simplify right side
    31,516.32x = 557,510,817.38
  5. Step 5: Solve for x
    x = 557,510,817.38/31,516.32
  6. Step 6: Final answer
    x = 17,689.59

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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.