Home / 31,145.45-46,733.76-14,276.61

Finding the Fourth Proportional to 31,145.45, 46,733.76 and 14,276.61

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Solution

The fourth proportional to 31,145.45, 46,733.76 and 14,276.61 is: 21,422.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,145.45 : 46,733.76 = 14,276.61 : x
  2. Step 2: Convert to fraction form
    31,145.45/46,733.76 = 14,276.61/x
  3. Step 3: Cross multiply
    31,145.45x = 46,733.76 × 14,276.61
  4. Step 4: Simplify right side
    31,145.45x = 667,199,665.35
  5. Step 5: Solve for x
    x = 667,199,665.35/31,145.45
  6. Step 6: Final answer
    x = 21,422.06

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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.