Home / 65,979.28-98,949.57-18,591.22

Finding the Fourth Proportional to 65,979.28, 98,949.57 and 18,591.22

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Solution

The fourth proportional to 65,979.28, 98,949.57 and 18,591.22 is: 27,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,979.28 : 98,949.57 = 18,591.22 : x
  2. Step 2: Convert to fraction form
    65,979.28/98,949.57 = 18,591.22/x
  3. Step 3: Cross multiply
    65,979.28x = 98,949.57 × 18,591.22
  4. Step 4: Simplify right side
    65,979.28x = 1,839,593,224.78
  5. Step 5: Solve for x
    x = 1,839,593,224.78/65,979.28
  6. Step 6: Final answer
    x = 27,881.38

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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.