Home / 39,351.68-54,286.08-23,431.04

Finding the Fourth Proportional to 39,351.68, 54,286.08 and 23,431.04

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Solution

The fourth proportional to 39,351.68, 54,286.08 and 23,431.04 is: 32,323.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351.68 : 54,286.08 = 23,431.04 : x
  2. Step 2: Convert to fraction form
    39,351.68/54,286.08 = 23,431.04/x
  3. Step 3: Cross multiply
    39,351.68x = 54,286.08 × 23,431.04
  4. Step 4: Simplify right side
    39,351.68x = 1,271,979,311.92
  5. Step 5: Solve for x
    x = 1,271,979,311.92/39,351.68
  6. Step 6: Final answer
    x = 32,323.38

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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.