Home / 39,028.11-58,536.36-12,729.84

Finding the Fourth Proportional to 39,028.11, 58,536.36 and 12,729.84

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Solution

The fourth proportional to 39,028.11, 58,536.36 and 12,729.84 is: 19,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,028.11 : 58,536.36 = 12,729.84 : x
  2. Step 2: Convert to fraction form
    39,028.11/58,536.36 = 12,729.84/x
  3. Step 3: Cross multiply
    39,028.11x = 58,536.36 × 12,729.84
  4. Step 4: Simplify right side
    39,028.11x = 745,158,496.98
  5. Step 5: Solve for x
    x = 745,158,496.98/39,028.11
  6. Step 6: Final answer
    x = 19,092.87

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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.