Home / 43,896-65,844.78-14,313.72

Finding the Fourth Proportional to 43,896, 65,844.78 and 14,313.72

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Solution

The fourth proportional to 43,896, 65,844.78 and 14,313.72 is: 21,470.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,896 : 65,844.78 = 14,313.72 : x
  2. Step 2: Convert to fraction form
    43,896/65,844.78 = 14,313.72/x
  3. Step 3: Cross multiply
    43,896x = 65,844.78 × 14,313.72
  4. Step 4: Simplify right side
    43,896x = 942,483,744.38
  5. Step 5: Solve for x
    x = 942,483,744.38/43,896
  6. Step 6: Final answer
    x = 21,470.83

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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.