Home / 31,847.11-47,771.73-14,317.00

Finding the Fourth Proportional to 31,847.11, 47,771.73 and 14,317.00

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Solution

The fourth proportional to 31,847.11, 47,771.73 and 14,317.00 is: 21,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,847.11 : 47,771.73 = 14,317.00 : x
  2. Step 2: Convert to fraction form
    31,847.11/47,771.73 = 14,317.00/x
  3. Step 3: Cross multiply
    31,847.11x = 47,771.73 × 14,317.00
  4. Step 4: Simplify right side
    31,847.11x = 683,947,738.98
  5. Step 5: Solve for x
    x = 683,947,738.98/31,847.11
  6. Step 6: Final answer
    x = 21,475.98

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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.