Home / 31,967.28-47,949.84-11,190.24

Finding the Fourth Proportional to 31,967.28, 47,949.84 and 11,190.24

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Solution

The fourth proportional to 31,967.28, 47,949.84 and 11,190.24 is: 16,784.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,967.28 : 47,949.84 = 11,190.24 : x
  2. Step 2: Convert to fraction form
    31,967.28/47,949.84 = 11,190.24/x
  3. Step 3: Cross multiply
    31,967.28x = 47,949.84 × 11,190.24
  4. Step 4: Simplify right side
    31,967.28x = 536,570,217.56
  5. Step 5: Solve for x
    x = 536,570,217.56/31,967.28
  6. Step 6: Final answer
    x = 16,784.98

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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.