Home / 43,625.82-65,430.45-12,028.07

Finding the Fourth Proportional to 43,625.82, 65,430.45 and 12,028.07

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Solution

The fourth proportional to 43,625.82, 65,430.45 and 12,028.07 is: 18,039.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,625.82 : 65,430.45 = 12,028.07 : x
  2. Step 2: Convert to fraction form
    43,625.82/65,430.45 = 12,028.07/x
  3. Step 3: Cross multiply
    43,625.82x = 65,430.45 × 12,028.07
  4. Step 4: Simplify right side
    43,625.82x = 787,001,972.59
  5. Step 5: Solve for x
    x = 787,001,972.59/43,625.82
  6. Step 6: Final answer
    x = 18,039.82

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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.