Home / 82,582.76-123,873.96-20,253.26

Finding the Fourth Proportional to 82,582.76, 123,873.96 and 20,253.26

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Solution

The fourth proportional to 82,582.76, 123,873.96 and 20,253.26 is: 30,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,582.76 : 123,873.96 = 20,253.26 : x
  2. Step 2: Convert to fraction form
    82,582.76/123,873.96 = 20,253.26/x
  3. Step 3: Cross multiply
    82,582.76x = 123,873.96 × 20,253.26
  4. Step 4: Simplify right side
    82,582.76x = 2,508,851,519.11
  5. Step 5: Solve for x
    x = 2,508,851,519.11/82,582.76
  6. Step 6: Final answer
    x = 30,379.85

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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.