Home / 31,960.71-47,962.26-11,184.21

Finding the Fourth Proportional to 31,960.71, 47,962.26 and 11,184.21

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Solution

The fourth proportional to 31,960.71, 47,962.26 and 11,184.21 is: 16,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.71 : 47,962.26 = 11,184.21 : x
  2. Step 2: Convert to fraction form
    31,960.71/47,962.26 = 11,184.21/x
  3. Step 3: Cross multiply
    31,960.71x = 47,962.26 × 11,184.21
  4. Step 4: Simplify right side
    31,960.71x = 536,419,987.91
  5. Step 5: Solve for x
    x = 536,419,987.91/31,960.71
  6. Step 6: Final answer
    x = 16,783.73

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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.