Home / 43,971.35-65,940.86-15,111.78

Finding the Fourth Proportional to 43,971.35, 65,940.86 and 15,111.78

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Solution

The fourth proportional to 43,971.35, 65,940.86 and 15,111.78 is: 22,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,971.35 : 65,940.86 = 15,111.78 : x
  2. Step 2: Convert to fraction form
    43,971.35/65,940.86 = 15,111.78/x
  3. Step 3: Cross multiply
    43,971.35x = 65,940.86 × 15,111.78
  4. Step 4: Simplify right side
    43,971.35x = 996,483,503.16
  5. Step 5: Solve for x
    x = 996,483,503.16/43,971.35
  6. Step 6: Final answer
    x = 22,662.11

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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.