Home / 31,823.70-47,723.40-9,629.70

Finding the Fourth Proportional to 31,823.70, 47,723.40 and 9,629.70

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Solution

The fourth proportional to 31,823.70, 47,723.40 and 9,629.70 is: 14,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,823.70 : 47,723.40 = 9,629.70 : x
  2. Step 2: Convert to fraction form
    31,823.70/47,723.40 = 9,629.70/x
  3. Step 3: Cross multiply
    31,823.70x = 47,723.40 × 9,629.70
  4. Step 4: Simplify right side
    31,823.70x = 459,562,024.98
  5. Step 5: Solve for x
    x = 459,562,024.98/31,823.70
  6. Step 6: Final answer
    x = 14,440.87

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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.