Home / 82,962.36-124,443.64-20,632.86

Finding the Fourth Proportional to 82,962.36, 124,443.64 and 20,632.86

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Solution

The fourth proportional to 82,962.36, 124,443.64 and 20,632.86 is: 30,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,962.36 : 124,443.64 = 20,632.86 : x
  2. Step 2: Convert to fraction form
    82,962.36/124,443.64 = 20,632.86/x
  3. Step 3: Cross multiply
    82,962.36x = 124,443.64 × 20,632.86
  4. Step 4: Simplify right side
    82,962.36x = 2,567,628,202.01
  5. Step 5: Solve for x
    x = 2,567,628,202.01/82,962.36
  6. Step 6: Final answer
    x = 30,949.31

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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.