Home / 31,408.93-47,049.76-14,517.96

Finding the Fourth Proportional to 31,408.93, 47,049.76 and 14,517.96

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Solution

The fourth proportional to 31,408.93, 47,049.76 and 14,517.96 is: 21,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,408.93 : 47,049.76 = 14,517.96 : x
  2. Step 2: Convert to fraction form
    31,408.93/47,049.76 = 14,517.96/x
  3. Step 3: Cross multiply
    31,408.93x = 47,049.76 × 14,517.96
  4. Step 4: Simplify right side
    31,408.93x = 683,066,533.69
  5. Step 5: Solve for x
    x = 683,066,533.69/31,408.93
  6. Step 6: Final answer
    x = 21,747.53

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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.