Home / 56,133.33-84,242.82-20,628.30

Finding the Fourth Proportional to 56,133.33, 84,242.82 and 20,628.30

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Solution

The fourth proportional to 56,133.33, 84,242.82 and 20,628.30 is: 30,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,133.33 : 84,242.82 = 20,628.30 : x
  2. Step 2: Convert to fraction form
    56,133.33/84,242.82 = 20,628.30/x
  3. Step 3: Cross multiply
    56,133.33x = 84,242.82 × 20,628.30
  4. Step 4: Simplify right side
    56,133.33x = 1,737,786,163.81
  5. Step 5: Solve for x
    x = 1,737,786,163.81/56,133.33
  6. Step 6: Final answer
    x = 30,958.19

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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.