Home / 45,302.48-67,850.26-21,626.68

Finding the Fourth Proportional to 45,302.48, 67,850.26 and 21,626.68

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Solution

The fourth proportional to 45,302.48, 67,850.26 and 21,626.68 is: 32,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.48 : 67,850.26 = 21,626.68 : x
  2. Step 2: Convert to fraction form
    45,302.48/67,850.26 = 21,626.68/x
  3. Step 3: Cross multiply
    45,302.48x = 67,850.26 × 21,626.68
  4. Step 4: Simplify right side
    45,302.48x = 1,467,375,860.94
  5. Step 5: Solve for x
    x = 1,467,375,860.94/45,302.48
  6. Step 6: Final answer
    x = 32,390.63

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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.