Home / 43,243.43-64,871.82-18,283.56

Finding the Fourth Proportional to 43,243.43, 64,871.82 and 18,283.56

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Solution

The fourth proportional to 43,243.43, 64,871.82 and 18,283.56 is: 27,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,243.43 : 64,871.82 = 18,283.56 : x
  2. Step 2: Convert to fraction form
    43,243.43/64,871.82 = 18,283.56/x
  3. Step 3: Cross multiply
    43,243.43x = 64,871.82 × 18,283.56
  4. Step 4: Simplify right side
    43,243.43x = 1,186,087,813.28
  5. Step 5: Solve for x
    x = 1,186,087,813.28/43,243.43
  6. Step 6: Final answer
    x = 27,428.16

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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.