Home / 39,244.80-54,163.20-29,798.40

Finding the Fourth Proportional to 39,244.80, 54,163.20 and 29,798.40

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Solution

The fourth proportional to 39,244.80, 54,163.20 and 29,798.40 is: 41,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,244.80 : 54,163.20 = 29,798.40 : x
  2. Step 2: Convert to fraction form
    39,244.80/54,163.20 = 29,798.40/x
  3. Step 3: Cross multiply
    39,244.80x = 54,163.20 × 29,798.40
  4. Step 4: Simplify right side
    39,244.80x = 1,613,976,698.88
  5. Step 5: Solve for x
    x = 1,613,976,698.88/39,244.80
  6. Step 6: Final answer
    x = 41,125.87

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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.