Home / 39,131.21-58,700.39-11,051.68

Finding the Fourth Proportional to 39,131.21, 58,700.39 and 11,051.68

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Solution

The fourth proportional to 39,131.21, 58,700.39 and 11,051.68 is: 16,578.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,131.21 : 58,700.39 = 11,051.68 : x
  2. Step 2: Convert to fraction form
    39,131.21/58,700.39 = 11,051.68/x
  3. Step 3: Cross multiply
    39,131.21x = 58,700.39 × 11,051.68
  4. Step 4: Simplify right side
    39,131.21x = 648,737,926.16
  5. Step 5: Solve for x
    x = 648,737,926.16/39,131.21
  6. Step 6: Final answer
    x = 16,578.53

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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.