Home / 39,129.21-58,697.39-11,049.68

Finding the Fourth Proportional to 39,129.21, 58,697.39 and 11,049.68

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Solution

The fourth proportional to 39,129.21, 58,697.39 and 11,049.68 is: 16,575.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.21 : 58,697.39 = 11,049.68 : x
  2. Step 2: Convert to fraction form
    39,129.21/58,697.39 = 11,049.68/x
  3. Step 3: Cross multiply
    39,129.21x = 58,697.39 × 11,049.68
  4. Step 4: Simplify right side
    39,129.21x = 648,587,550.70
  5. Step 5: Solve for x
    x = 648,587,550.70/39,129.21
  6. Step 6: Final answer
    x = 16,575.53

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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.