Home / 20,171.52-30,253.22-19,171.26

Finding the Fourth Proportional to 20,171.52, 30,253.22 and 19,171.26

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Solution

The fourth proportional to 20,171.52, 30,253.22 and 19,171.26 is: 28,753.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,171.52 : 30,253.22 = 19,171.26 : x
  2. Step 2: Convert to fraction form
    20,171.52/30,253.22 = 19,171.26/x
  3. Step 3: Cross multiply
    20,171.52x = 30,253.22 × 19,171.26
  4. Step 4: Simplify right side
    20,171.52x = 579,992,250.60
  5. Step 5: Solve for x
    x = 579,992,250.60/20,171.52
  6. Step 6: Final answer
    x = 28,753.03

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1.5x scale

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.