Home / 39,811.23-54,933.22-22,812.20

Finding the Fourth Proportional to 39,811.23, 54,933.22 and 22,812.20

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Solution

The fourth proportional to 39,811.23, 54,933.22 and 22,812.20 is: 31,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.23 : 54,933.22 = 22,812.20 : x
  2. Step 2: Convert to fraction form
    39,811.23/54,933.22 = 22,812.20/x
  3. Step 3: Cross multiply
    39,811.23x = 54,933.22 × 22,812.20
  4. Step 4: Simplify right side
    39,811.23x = 1,253,147,601.28
  5. Step 5: Solve for x
    x = 1,253,147,601.28/39,811.23
  6. Step 6: Final answer
    x = 31,477.24

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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.