Home / 31,814.20-47,721.84-9,627.85

Finding the Fourth Proportional to 31,814.20, 47,721.84 and 9,627.85

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Solution

The fourth proportional to 31,814.20, 47,721.84 and 9,627.85 is: 14,441.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,814.20 : 47,721.84 = 9,627.85 : x
  2. Step 2: Convert to fraction form
    31,814.20/47,721.84 = 9,627.85/x
  3. Step 3: Cross multiply
    31,814.20x = 47,721.84 × 9,627.85
  4. Step 4: Simplify right side
    31,814.20x = 459,458,717.24
  5. Step 5: Solve for x
    x = 459,458,717.24/31,814.20
  6. Step 6: Final answer
    x = 14,441.94

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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.