Home / 45,586.21-68,357.42-21,550.49

Finding the Fourth Proportional to 45,586.21, 68,357.42 and 21,550.49

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Solution

The fourth proportional to 45,586.21, 68,357.42 and 21,550.49 is: 32,315.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.21 : 68,357.42 = 21,550.49 : x
  2. Step 2: Convert to fraction form
    45,586.21/68,357.42 = 21,550.49/x
  3. Step 3: Cross multiply
    45,586.21x = 68,357.42 × 21,550.49
  4. Step 4: Simplify right side
    45,586.21x = 1,473,135,896.14
  5. Step 5: Solve for x
    x = 1,473,135,896.14/45,586.21
  6. Step 6: Final answer
    x = 32,315.38

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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.