Home / 31,714.65-47,568.18-8,342.91

Finding the Fourth Proportional to 31,714.65, 47,568.18 and 8,342.91

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Solution

The fourth proportional to 31,714.65, 47,568.18 and 8,342.91 is: 12,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.65 : 47,568.18 = 8,342.91 : x
  2. Step 2: Convert to fraction form
    31,714.65/47,568.18 = 8,342.91/x
  3. Step 3: Cross multiply
    31,714.65x = 47,568.18 × 8,342.91
  4. Step 4: Simplify right side
    31,714.65x = 396,857,044.60
  5. Step 5: Solve for x
    x = 396,857,044.60/31,714.65
  6. Step 6: Final answer
    x = 12,513.37

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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.