Home / 29,089.28-43,638.76-10,380.10

Finding the Fourth Proportional to 29,089.28, 43,638.76 and 10,380.10

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Solution

The fourth proportional to 29,089.28, 43,638.76 and 10,380.10 is: 15,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,089.28 : 43,638.76 = 10,380.10 : x
  2. Step 2: Convert to fraction form
    29,089.28/43,638.76 = 10,380.10/x
  3. Step 3: Cross multiply
    29,089.28x = 43,638.76 × 10,380.10
  4. Step 4: Simplify right side
    29,089.28x = 452,974,692.68
  5. Step 5: Solve for x
    x = 452,974,692.68/29,089.28
  6. Step 6: Final answer
    x = 15,571.88

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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.