Home / 37,131.10-55,709.40-10,839.70

Finding the Fourth Proportional to 37,131.10, 55,709.40 and 10,839.70

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Solution

The fourth proportional to 37,131.10, 55,709.40 and 10,839.70 is: 16,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,131.10 : 55,709.40 = 10,839.70 : x
  2. Step 2: Convert to fraction form
    37,131.10/55,709.40 = 10,839.70/x
  3. Step 3: Cross multiply
    37,131.10x = 55,709.40 × 10,839.70
  4. Step 4: Simplify right side
    37,131.10x = 603,873,183.18
  5. Step 5: Solve for x
    x = 603,873,183.18/37,131.10
  6. Step 6: Final answer
    x = 16,263.27

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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.