Home / 31,822.40-47,733.62-9,635.74

Finding the Fourth Proportional to 31,822.40, 47,733.62 and 9,635.74

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Solution

The fourth proportional to 31,822.40, 47,733.62 and 9,635.74 is: 14,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.40 : 47,733.62 = 9,635.74 : x
  2. Step 2: Convert to fraction form
    31,822.40/47,733.62 = 9,635.74/x
  3. Step 3: Cross multiply
    31,822.40x = 47,733.62 × 9,635.74
  4. Step 4: Simplify right side
    31,822.40x = 459,948,584.07
  5. Step 5: Solve for x
    x = 459,948,584.07/31,822.40
  6. Step 6: Final answer
    x = 14,453.61

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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.