Home / 43,945.18-65,924.34-12,776.38

Finding the Fourth Proportional to 43,945.18, 65,924.34 and 12,776.38

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Solution

The fourth proportional to 43,945.18, 65,924.34 and 12,776.38 is: 19,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.18 : 65,924.34 = 12,776.38 : x
  2. Step 2: Convert to fraction form
    43,945.18/65,924.34 = 12,776.38/x
  3. Step 3: Cross multiply
    43,945.18x = 65,924.34 × 12,776.38
  4. Step 4: Simplify right side
    43,945.18x = 842,274,419.09
  5. Step 5: Solve for x
    x = 842,274,419.09/43,945.18
  6. Step 6: Final answer
    x = 19,166.48

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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.