Home / 39,757.20-54,870.12-25,651.08

Finding the Fourth Proportional to 39,757.20, 54,870.12 and 25,651.08

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Solution

The fourth proportional to 39,757.20, 54,870.12 and 25,651.08 is: 35,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,757.20 : 54,870.12 = 25,651.08 : x
  2. Step 2: Convert to fraction form
    39,757.20/54,870.12 = 25,651.08/x
  3. Step 3: Cross multiply
    39,757.20x = 54,870.12 × 25,651.08
  4. Step 4: Simplify right side
    39,757.20x = 1,407,477,837.73
  5. Step 5: Solve for x
    x = 1,407,477,837.73/39,757.20
  6. Step 6: Final answer
    x = 35,401.84

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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.