Home / 65,979.36-98,961.24-18,598.01

Finding the Fourth Proportional to 65,979.36, 98,961.24 and 18,598.01

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Solution

The fourth proportional to 65,979.36, 98,961.24 and 18,598.01 is: 27,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,979.36 : 98,961.24 = 18,598.01 : x
  2. Step 2: Convert to fraction form
    65,979.36/98,961.24 = 18,598.01/x
  3. Step 3: Cross multiply
    65,979.36x = 98,961.24 × 18,598.01
  4. Step 4: Simplify right side
    65,979.36x = 1,840,481,706.07
  5. Step 5: Solve for x
    x = 1,840,481,706.07/65,979.36
  6. Step 6: Final answer
    x = 27,894.81

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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.