Home / 20,082.62-30,125.41-5,291.44

Finding the Fourth Proportional to 20,082.62, 30,125.41 and 5,291.44

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Solution

The fourth proportional to 20,082.62, 30,125.41 and 5,291.44 is: 7,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,082.62 : 30,125.41 = 5,291.44 : x
  2. Step 2: Convert to fraction form
    20,082.62/30,125.41 = 5,291.44/x
  3. Step 3: Cross multiply
    20,082.62x = 30,125.41 × 5,291.44
  4. Step 4: Simplify right side
    20,082.62x = 159,406,710.95
  5. Step 5: Solve for x
    x = 159,406,710.95/20,082.62
  6. Step 6: Final answer
    x = 7,937.54

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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.