Home / 43,855.47-65,767.68-14,267.79

Finding the Fourth Proportional to 43,855.47, 65,767.68 and 14,267.79

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Solution

The fourth proportional to 43,855.47, 65,767.68 and 14,267.79 is: 21,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,855.47 : 65,767.68 = 14,267.79 : x
  2. Step 2: Convert to fraction form
    43,855.47/65,767.68 = 14,267.79/x
  3. Step 3: Cross multiply
    43,855.47x = 65,767.68 × 14,267.79
  4. Step 4: Simplify right side
    43,855.47x = 938,359,447.03
  5. Step 5: Solve for x
    x = 938,359,447.03/43,855.47
  6. Step 6: Final answer
    x = 21,396.63

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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.