Home / 64,661.27-96,995.57-20,287.04

Finding the Fourth Proportional to 64,661.27, 96,995.57 and 20,287.04

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Solution

The fourth proportional to 64,661.27, 96,995.57 and 20,287.04 is: 30,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,661.27 : 96,995.57 = 20,287.04 : x
  2. Step 2: Convert to fraction form
    64,661.27/96,995.57 = 20,287.04/x
  3. Step 3: Cross multiply
    64,661.27x = 96,995.57 × 20,287.04
  4. Step 4: Simplify right side
    64,661.27x = 1,967,752,422.00
  5. Step 5: Solve for x
    x = 1,967,752,422.00/64,661.27
  6. Step 6: Final answer
    x = 30,431.70

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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.