Home / 31,469.70-47,204.55-11,749.79

Finding the Fourth Proportional to 31,469.70, 47,204.55 and 11,749.79

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Solution

The fourth proportional to 31,469.70, 47,204.55 and 11,749.79 is: 17,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.70 : 47,204.55 = 11,749.79 : x
  2. Step 2: Convert to fraction form
    31,469.70/47,204.55 = 11,749.79/x
  3. Step 3: Cross multiply
    31,469.70x = 47,204.55 × 11,749.79
  4. Step 4: Simplify right side
    31,469.70x = 554,643,667.56
  5. Step 5: Solve for x
    x = 554,643,667.56/31,469.70
  6. Step 6: Final answer
    x = 17,624.69

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1.5x scale

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.