Home / 39,236.36-54,145.74-29,209.64

Finding the Fourth Proportional to 39,236.36, 54,145.74 and 29,209.64

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Solution

The fourth proportional to 39,236.36, 54,145.74 and 29,209.64 is: 40,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,236.36 : 54,145.74 = 29,209.64 : x
  2. Step 2: Convert to fraction form
    39,236.36/54,145.74 = 29,209.64/x
  3. Step 3: Cross multiply
    39,236.36x = 54,145.74 × 29,209.64
  4. Step 4: Simplify right side
    39,236.36x = 1,581,577,572.93
  5. Step 5: Solve for x
    x = 1,581,577,572.93/39,236.36
  6. Step 6: Final answer
    x = 40,308.98

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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.