Home / 31,469.37-47,205.01-7,776.92

Finding the Fourth Proportional to 31,469.37, 47,205.01 and 7,776.92

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Solution

The fourth proportional to 31,469.37, 47,205.01 and 7,776.92 is: 11,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.37 : 47,205.01 = 7,776.92 : x
  2. Step 2: Convert to fraction form
    31,469.37/47,205.01 = 7,776.92/x
  3. Step 3: Cross multiply
    31,469.37x = 47,205.01 × 7,776.92
  4. Step 4: Simplify right side
    31,469.37x = 367,109,586.37
  5. Step 5: Solve for x
    x = 367,109,586.37/31,469.37
  6. Step 6: Final answer
    x = 11,665.62

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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.