Home / 55,324.08-82,934.28-20,236.50

Finding the Fourth Proportional to 55,324.08, 82,934.28 and 20,236.50

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Solution

The fourth proportional to 55,324.08, 82,934.28 and 20,236.50 is: 30,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.08 : 82,934.28 = 20,236.50 : x
  2. Step 2: Convert to fraction form
    55,324.08/82,934.28 = 20,236.50/x
  3. Step 3: Cross multiply
    55,324.08x = 82,934.28 × 20,236.50
  4. Step 4: Simplify right side
    55,324.08x = 1,678,299,557.22
  5. Step 5: Solve for x
    x = 1,678,299,557.22/55,324.08
  6. Step 6: Final answer
    x = 30,335.79

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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.