Home / 73,735.80-110,588.85-21,131.16

Finding the Fourth Proportional to 73,735.80, 110,588.85 and 21,131.16

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Solution

The fourth proportional to 73,735.80, 110,588.85 and 21,131.16 is: 31,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,735.80 : 110,588.85 = 21,131.16 : x
  2. Step 2: Convert to fraction form
    73,735.80/110,588.85 = 21,131.16/x
  3. Step 3: Cross multiply
    73,735.80x = 110,588.85 × 21,131.16
  4. Step 4: Simplify right side
    73,735.80x = 2,336,870,683.57
  5. Step 5: Solve for x
    x = 2,336,870,683.57/73,735.80
  6. Step 6: Final answer
    x = 31,692.48

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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.