Home / 31,709.28-43,758.78-17,563.02

Finding the Fourth Proportional to 31,709.28, 43,758.78 and 17,563.02

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Solution

The fourth proportional to 31,709.28, 43,758.78 and 17,563.02 is: 24,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,709.28 : 43,758.78 = 17,563.02 : x
  2. Step 2: Convert to fraction form
    31,709.28/43,758.78 = 17,563.02/x
  3. Step 3: Cross multiply
    31,709.28x = 43,758.78 × 17,563.02
  4. Step 4: Simplify right side
    31,709.28x = 768,536,328.32
  5. Step 5: Solve for x
    x = 768,536,328.32/31,709.28
  6. Step 6: Final answer
    x = 24,236.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.