Home / 39,659.20-54,766.72-25,536.64

Finding the Fourth Proportional to 39,659.20, 54,766.72 and 25,536.64

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Solution

The fourth proportional to 39,659.20, 54,766.72 and 25,536.64 is: 35,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,659.20 : 54,766.72 = 25,536.64 : x
  2. Step 2: Convert to fraction form
    39,659.20/54,766.72 = 25,536.64/x
  3. Step 3: Cross multiply
    39,659.20x = 54,766.72 × 25,536.64
  4. Step 4: Simplify right side
    39,659.20x = 1,398,558,012.62
  5. Step 5: Solve for x
    x = 1,398,558,012.62/39,659.20
  6. Step 6: Final answer
    x = 35,264.40

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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.