Home / 43,941.29-65,913.75-12,776.54

Finding the Fourth Proportional to 43,941.29, 65,913.75 and 12,776.54

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Solution

The fourth proportional to 43,941.29, 65,913.75 and 12,776.54 is: 19,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,941.29 : 65,913.75 = 12,776.54 : x
  2. Step 2: Convert to fraction form
    43,941.29/65,913.75 = 12,776.54/x
  3. Step 3: Cross multiply
    43,941.29x = 65,913.75 × 12,776.54
  4. Step 4: Simplify right side
    43,941.29x = 842,149,333.86
  5. Step 5: Solve for x
    x = 842,149,333.86/43,941.29
  6. Step 6: Final answer
    x = 19,165.33

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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.