Home / 65,601.09-98,404.67-21,231.32

Finding the Fourth Proportional to 65,601.09, 98,404.67 and 21,231.32

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Solution

The fourth proportional to 65,601.09, 98,404.67 and 21,231.32 is: 31,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,601.09 : 98,404.67 = 21,231.32 : x
  2. Step 2: Convert to fraction form
    65,601.09/98,404.67 = 21,231.32/x
  3. Step 3: Cross multiply
    65,601.09x = 98,404.67 × 21,231.32
  4. Step 4: Simplify right side
    65,601.09x = 2,089,260,599.32
  5. Step 5: Solve for x
    x = 2,089,260,599.32/65,601.09
  6. Step 6: Final answer
    x = 31,847.96

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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.