Home / 43,321.55-64,969.09-18,361.13

Finding the Fourth Proportional to 43,321.55, 64,969.09 and 18,361.13

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Solution

The fourth proportional to 43,321.55, 64,969.09 and 18,361.13 is: 27,536.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,321.55 : 64,969.09 = 18,361.13 : x
  2. Step 2: Convert to fraction form
    43,321.55/64,969.09 = 18,361.13/x
  3. Step 3: Cross multiply
    43,321.55x = 64,969.09 × 18,361.13
  4. Step 4: Simplify right side
    43,321.55x = 1,192,905,536.72
  5. Step 5: Solve for x
    x = 1,192,905,536.72/43,321.55
  6. Step 6: Final answer
    x = 27,536.08

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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.