Home / 39,086.20-58,629.30-19,403.20

Finding the Fourth Proportional to 39,086.20, 58,629.30 and 19,403.20

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Solution

The fourth proportional to 39,086.20, 58,629.30 and 19,403.20 is: 29,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,086.20 : 58,629.30 = 19,403.20 : x
  2. Step 2: Convert to fraction form
    39,086.20/58,629.30 = 19,403.20/x
  3. Step 3: Cross multiply
    39,086.20x = 58,629.30 × 19,403.20
  4. Step 4: Simplify right side
    39,086.20x = 1,137,596,033.76
  5. Step 5: Solve for x
    x = 1,137,596,033.76/39,086.20
  6. Step 6: Final answer
    x = 29,104.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.