Home / 43,991.08-65,985.97-10,711.21

Finding the Fourth Proportional to 43,991.08, 65,985.97 and 10,711.21

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Solution

The fourth proportional to 43,991.08, 65,985.97 and 10,711.21 is: 16,066.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,991.08 : 65,985.97 = 10,711.21 : x
  2. Step 2: Convert to fraction form
    43,991.08/65,985.97 = 10,711.21/x
  3. Step 3: Cross multiply
    43,991.08x = 65,985.97 × 10,711.21
  4. Step 4: Simplify right side
    43,991.08x = 706,789,581.72
  5. Step 5: Solve for x
    x = 706,789,581.72/43,991.08
  6. Step 6: Final answer
    x = 16,066.66

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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.