Home / 39,638.92-54,683.22-23,721.88

Finding the Fourth Proportional to 39,638.92, 54,683.22 and 23,721.88

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Solution

The fourth proportional to 39,638.92, 54,683.22 and 23,721.88 is: 32,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.92 : 54,683.22 = 23,721.88 : x
  2. Step 2: Convert to fraction form
    39,638.92/54,683.22 = 23,721.88/x
  3. Step 3: Cross multiply
    39,638.92x = 54,683.22 × 23,721.88
  4. Step 4: Simplify right side
    39,638.92x = 1,297,188,782.85
  5. Step 5: Solve for x
    x = 1,297,188,782.85/39,638.92
  6. Step 6: Final answer
    x = 32,725.13

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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.