Home / 65,904.05-98,859.11-21,531.03

Finding the Fourth Proportional to 65,904.05, 98,859.11 and 21,531.03

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Solution

The fourth proportional to 65,904.05, 98,859.11 and 21,531.03 is: 32,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,904.05 : 98,859.11 = 21,531.03 : x
  2. Step 2: Convert to fraction form
    65,904.05/98,859.11 = 21,531.03/x
  3. Step 3: Cross multiply
    65,904.05x = 98,859.11 × 21,531.03
  4. Step 4: Simplify right side
    65,904.05x = 2,128,538,355.53
  5. Step 5: Solve for x
    x = 2,128,538,355.53/65,904.05
  6. Step 6: Final answer
    x = 32,297.54

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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.