Home / 73,982.16-110,976.48-21,396.96

Finding the Fourth Proportional to 73,982.16, 110,976.48 and 21,396.96

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Solution

The fourth proportional to 73,982.16, 110,976.48 and 21,396.96 is: 32,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982.16 : 110,976.48 = 21,396.96 : x
  2. Step 2: Convert to fraction form
    73,982.16/110,976.48 = 21,396.96/x
  3. Step 3: Cross multiply
    73,982.16x = 110,976.48 × 21,396.96
  4. Step 4: Simplify right side
    73,982.16x = 2,374,559,303.50
  5. Step 5: Solve for x
    x = 2,374,559,303.50/73,982.16
  6. Step 6: Final answer
    x = 32,096.38

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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.