Home / 39,811.70-54,933.87-22,812.68

Finding the Fourth Proportional to 39,811.70, 54,933.87 and 22,812.68

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Solution

The fourth proportional to 39,811.70, 54,933.87 and 22,812.68 is: 31,477.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.70 : 54,933.87 = 22,812.68 : x
  2. Step 2: Convert to fraction form
    39,811.70/54,933.87 = 22,812.68/x
  3. Step 3: Cross multiply
    39,811.70x = 54,933.87 × 22,812.68
  4. Step 4: Simplify right side
    39,811.70x = 1,253,188,522.80
  5. Step 5: Solve for x
    x = 1,253,188,522.80/39,811.70
  6. Step 6: Final answer
    x = 31,477.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.