Home / 39,645.48-54,689.94-23,725.20

Finding the Fourth Proportional to 39,645.48, 54,689.94 and 23,725.20

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Solution

The fourth proportional to 39,645.48, 54,689.94 and 23,725.20 is: 32,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,645.48 : 54,689.94 = 23,725.20 : x
  2. Step 2: Convert to fraction form
    39,645.48/54,689.94 = 23,725.20/x
  3. Step 3: Cross multiply
    39,645.48x = 54,689.94 × 23,725.20
  4. Step 4: Simplify right side
    39,645.48x = 1,297,529,764.49
  5. Step 5: Solve for x
    x = 1,297,529,764.49/39,645.48
  6. Step 6: Final answer
    x = 32,728.32

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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.