Home / 73,723.23-110,570.27-21,138.03

Finding the Fourth Proportional to 73,723.23, 110,570.27 and 21,138.03

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Solution

The fourth proportional to 73,723.23, 110,570.27 and 21,138.03 is: 31,702.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,723.23 : 110,570.27 = 21,138.03 : x
  2. Step 2: Convert to fraction form
    73,723.23/110,570.27 = 21,138.03/x
  3. Step 3: Cross multiply
    73,723.23x = 110,570.27 × 21,138.03
  4. Step 4: Simplify right side
    73,723.23x = 2,337,237,578.68
  5. Step 5: Solve for x
    x = 2,337,237,578.68/73,723.23
  6. Step 6: Final answer
    x = 31,702.86

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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.