Home / 39,186.96-54,078.12-23,272.08

Finding the Fourth Proportional to 39,186.96, 54,078.12 and 23,272.08

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Solution

The fourth proportional to 39,186.96, 54,078.12 and 23,272.08 is: 32,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,186.96 : 54,078.12 = 23,272.08 : x
  2. Step 2: Convert to fraction form
    39,186.96/54,078.12 = 23,272.08/x
  3. Step 3: Cross multiply
    39,186.96x = 54,078.12 × 23,272.08
  4. Step 4: Simplify right side
    39,186.96x = 1,258,510,334.89
  5. Step 5: Solve for x
    x = 1,258,510,334.89/39,186.96
  6. Step 6: Final answer
    x = 32,115.54

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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.