Home / 43,816.48-65,696.64-18,509.11

Finding the Fourth Proportional to 43,816.48, 65,696.64 and 18,509.11

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Solution

The fourth proportional to 43,816.48, 65,696.64 and 18,509.11 is: 27,751.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.48 : 65,696.64 = 18,509.11 : x
  2. Step 2: Convert to fraction form
    43,816.48/65,696.64 = 18,509.11/x
  3. Step 3: Cross multiply
    43,816.48x = 65,696.64 × 18,509.11
  4. Step 4: Simplify right side
    43,816.48x = 1,215,986,243.84
  5. Step 5: Solve for x
    x = 1,215,986,243.84/43,816.48
  6. Step 6: Final answer
    x = 27,751.80

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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.