Home / 49,217.30-73,835.55-21,137.30

Finding the Fourth Proportional to 49,217.30, 73,835.55 and 21,137.30

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Solution

The fourth proportional to 49,217.30, 73,835.55 and 21,137.30 is: 31,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,217.30 : 73,835.55 = 21,137.30 : x
  2. Step 2: Convert to fraction form
    49,217.30/73,835.55 = 21,137.30/x
  3. Step 3: Cross multiply
    49,217.30x = 73,835.55 × 21,137.30
  4. Step 4: Simplify right side
    49,217.30x = 1,560,684,171.02
  5. Step 5: Solve for x
    x = 1,560,684,171.02/49,217.30
  6. Step 6: Final answer
    x = 31,710.07

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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.