Home / 39,734.24-54,833.58-21,829.44

Finding the Fourth Proportional to 39,734.24, 54,833.58 and 21,829.44

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Solution

The fourth proportional to 39,734.24, 54,833.58 and 21,829.44 is: 30,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,734.24 : 54,833.58 = 21,829.44 : x
  2. Step 2: Convert to fraction form
    39,734.24/54,833.58 = 21,829.44/x
  3. Step 3: Cross multiply
    39,734.24x = 54,833.58 × 21,829.44
  4. Step 4: Simplify right side
    39,734.24x = 1,196,986,344.60
  5. Step 5: Solve for x
    x = 1,196,986,344.60/39,734.24
  6. Step 6: Final answer
    x = 30,124.81

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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.