Home / 20,302.52-30,442.26-14,819

Finding the Fourth Proportional to 20,302.52, 30,442.26 and 14,819

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Solution

The fourth proportional to 20,302.52, 30,442.26 and 14,819 is: 22,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.52 : 30,442.26 = 14,819 : x
  2. Step 2: Convert to fraction form
    20,302.52/30,442.26 = 14,819/x
  3. Step 3: Cross multiply
    20,302.52x = 30,442.26 × 14,819
  4. Step 4: Simplify right side
    20,302.52x = 451,123,850.94
  5. Step 5: Solve for x
    x = 451,123,850.94/20,302.52
  6. Step 6: Final answer
    x = 22,220.09

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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.