Home / 31,450.46-47,174.15-11,727.48

Finding the Fourth Proportional to 31,450.46, 47,174.15 and 11,727.48

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Solution

The fourth proportional to 31,450.46, 47,174.15 and 11,727.48 is: 17,590.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,450.46 : 47,174.15 = 11,727.48 : x
  2. Step 2: Convert to fraction form
    31,450.46/47,174.15 = 11,727.48/x
  3. Step 3: Cross multiply
    31,450.46x = 47,174.15 × 11,727.48
  4. Step 4: Simplify right side
    31,450.46x = 553,233,842.00
  5. Step 5: Solve for x
    x = 553,233,842.00/31,450.46
  6. Step 6: Final answer
    x = 17,590.65

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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.