Home / 65,914.06-98,883.81-21,528.88

Finding the Fourth Proportional to 65,914.06, 98,883.81 and 21,528.88

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Solution

The fourth proportional to 65,914.06, 98,883.81 and 21,528.88 is: 32,297.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,914.06 : 98,883.81 = 21,528.88 : x
  2. Step 2: Convert to fraction form
    65,914.06/98,883.81 = 21,528.88/x
  3. Step 3: Cross multiply
    65,914.06x = 98,883.81 × 21,528.88
  4. Step 4: Simplify right side
    65,914.06x = 2,128,857,679.43
  5. Step 5: Solve for x
    x = 2,128,857,679.43/65,914.06
  6. Step 6: Final answer
    x = 32,297.47

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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.