Home / 31,723.72-47,520.94-15,033.16

Finding the Fourth Proportional to 31,723.72, 47,520.94 and 15,033.16

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Solution

The fourth proportional to 31,723.72, 47,520.94 and 15,033.16 is: 22,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.72 : 47,520.94 = 15,033.16 : x
  2. Step 2: Convert to fraction form
    31,723.72/47,520.94 = 15,033.16/x
  3. Step 3: Cross multiply
    31,723.72x = 47,520.94 × 15,033.16
  4. Step 4: Simplify right side
    31,723.72x = 714,389,894.37
  5. Step 5: Solve for x
    x = 714,389,894.37/31,723.72
  6. Step 6: Final answer
    x = 22,519.11

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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.