Home / 56,433.10-84,589.97-20,871.56

Finding the Fourth Proportional to 56,433.10, 84,589.97 and 20,871.56

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Solution

The fourth proportional to 56,433.10, 84,589.97 and 20,871.56 is: 31,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.10 : 84,589.97 = 20,871.56 : x
  2. Step 2: Convert to fraction form
    56,433.10/84,589.97 = 20,871.56/x
  3. Step 3: Cross multiply
    56,433.10x = 84,589.97 × 20,871.56
  4. Step 4: Simplify right side
    56,433.10x = 1,765,524,741.37
  5. Step 5: Solve for x
    x = 1,765,524,741.37/56,433.10
  6. Step 6: Final answer
    x = 31,285.27

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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.