Home / 20,335.52-30,453.77-14,078.00

Finding the Fourth Proportional to 20,335.52, 30,453.77 and 14,078.00

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Solution

The fourth proportional to 20,335.52, 30,453.77 and 14,078.00 is: 21,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.52 : 30,453.77 = 14,078.00 : x
  2. Step 2: Convert to fraction form
    20,335.52/30,453.77 = 14,078.00/x
  3. Step 3: Cross multiply
    20,335.52x = 30,453.77 × 14,078.00
  4. Step 4: Simplify right side
    20,335.52x = 428,728,285.39
  5. Step 5: Solve for x
    x = 428,728,285.39/20,335.52
  6. Step 6: Final answer
    x = 21,082.73

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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.