Home / 31,714.00-47,573.24-12,738.65

Finding the Fourth Proportional to 31,714.00, 47,573.24 and 12,738.65

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Solution

The fourth proportional to 31,714.00, 47,573.24 and 12,738.65 is: 19,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,714.00 : 47,573.24 = 12,738.65 : x
  2. Step 2: Convert to fraction form
    31,714.00/47,573.24 = 12,738.65/x
  3. Step 3: Cross multiply
    31,714.00x = 47,573.24 × 12,738.65
  4. Step 4: Simplify right side
    31,714.00x = 606,018,552.17
  5. Step 5: Solve for x
    x = 606,018,552.17/31,714.00
  6. Step 6: Final answer
    x = 19,108.87

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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.