Home / 20,120.52-30,169.02-6,076.36

Finding the Fourth Proportional to 20,120.52, 30,169.02 and 6,076.36

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Solution

The fourth proportional to 20,120.52, 30,169.02 and 6,076.36 is: 9,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,120.52 : 30,169.02 = 6,076.36 : x
  2. Step 2: Convert to fraction form
    20,120.52/30,169.02 = 6,076.36/x
  3. Step 3: Cross multiply
    20,120.52x = 30,169.02 × 6,076.36
  4. Step 4: Simplify right side
    20,120.52x = 183,317,826.37
  5. Step 5: Solve for x
    x = 183,317,826.37/20,120.52
  6. Step 6: Final answer
    x = 9,110.99

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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.