Home / 56,471.22-84,709.68-14,351.72

Finding the Fourth Proportional to 56,471.22, 84,709.68 and 14,351.72

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Solution

The fourth proportional to 56,471.22, 84,709.68 and 14,351.72 is: 21,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,471.22 : 84,709.68 = 14,351.72 : x
  2. Step 2: Convert to fraction form
    56,471.22/84,709.68 = 14,351.72/x
  3. Step 3: Cross multiply
    56,471.22x = 84,709.68 × 14,351.72
  4. Step 4: Simplify right side
    56,471.22x = 1,215,729,185.10
  5. Step 5: Solve for x
    x = 1,215,729,185.10/56,471.22
  6. Step 6: Final answer
    x = 21,528.30

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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.