Home / 31,396.48-47,048.64-15,792.64

Finding the Fourth Proportional to 31,396.48, 47,048.64 and 15,792.64

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Solution

The fourth proportional to 31,396.48, 47,048.64 and 15,792.64 is: 23,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,396.48 : 47,048.64 = 15,792.64 : x
  2. Step 2: Convert to fraction form
    31,396.48/47,048.64 = 15,792.64/x
  3. Step 3: Cross multiply
    31,396.48x = 47,048.64 × 15,792.64
  4. Step 4: Simplify right side
    31,396.48x = 743,022,234.01
  5. Step 5: Solve for x
    x = 743,022,234.01/31,396.48
  6. Step 6: Final answer
    x = 23,665.78

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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.